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168116315160631 = 537951969741141
BaseRepresentation
bin100110001110011010100001…
…001111110000000000110111
3211001020202121001120211021111
4212032122201033300000313
5134013404203140120011
61353315322522455451
750261001003640555
oct4616324117600067
9731222531524244
10168116315160631
1149626802141242
1216a32099964587
1372a63ba259806
142d72c319b8bd5
151468157a1e121
hex98e6a13f0037

168116315160631 has 16 divisors (see below), whose sum is σ = 171331694771328. Its totient is φ = 164902548096000.

The previous prime is 168116315160527. The next prime is 168116315160643. The reversal of 168116315160631 is 136061513611861.

It is not a de Polignac number, because 168116315160631 - 243 = 159320222138423 is a prime.

It is a super-2 number, since 2×1681163151606312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168116315160671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4086324321 + ... + 4086365461.

It is an arithmetic number, because the mean of its divisors is an integer number (10708230923208).

Almost surely, 2168116315160631 is an apocalyptic number.

168116315160631 is a deficient number, since it is larger than the sum of its proper divisors (3215379610697).

168116315160631 is an equidigital number, since it uses as much as digits as its factorization.

168116315160631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58842.

The product of its (nonzero) digits is 466560, while the sum is 49.

The spelling of 168116315160631 in words is "one hundred sixty-eight trillion, one hundred sixteen billion, three hundred fifteen million, one hundred sixty thousand, six hundred thirty-one".

Divisors: 1 53 7951 9697 41141 421403 513941 2180473 77100847 327112091 398944277 4086344891 17336940823 21144046681 3172005946427 168116315160631