168207965510403 has 192 divisors, whose sum is σ = 296752756899840. Its totient is φ = 82735436399616.

The previous prime is 168207965510401. The next prime is 168207965510413. The reversal of 168207965510403 is 304015569702861.

It is not a de Polignac number, because 168207965510403 - 2¹ = 168207965510401 is a prime.

It is a super-2 number, since 2×168207965510403² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (168207965510401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 5995208751 + ... + 5995236807.

It is an arithmetic number, because the mean of its divisors is an integer number (1545587275520).

It is a 1-persistent number, because it is pandigital, but 2⋅168207965510403 = 336415931020806 is not.

Almost surely, 2^{168207965510403} is an apocalyptic number.

168207965510403 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

168207965510403 is a deficient number, since it is larger than the sum of its proper divisors (128544791389437).

168207965510403 is a wasteful number, since it uses less digits than its factorization.

168207965510403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29506 (or 29493 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 57.

The spelling of 168207965510403 in words is "one hundred sixty-eight trillion, two hundred seven billion, nine hundred sixty-five million, five hundred ten thousand, four hundred three".