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68166795597 = 363164356003
BaseRepresentation
bin111111011111000011…
…101100000101001101
320111221122212000012020
4333133003230011031
52104101144424342
651152043000353
74632144126255
oct773703540515
9214848760166
1068166795597
1126a0041950a
1211264b090b9
1365746ccc14
143429378965
151b8e6e90ec
hexfdf0ec14d

68166795597 has 16 divisors (see below), whose sum is σ = 91176304128. Its totient is φ = 45301137840.

The previous prime is 68166795569. The next prime is 68166795607. The reversal of 68166795597 is 79559766186.

It is not a de Polignac number, because 68166795597 - 27 = 68166795469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68166795097) 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, 1189198 + ... + 1245200.

It is an arithmetic number, because the mean of its divisors is an integer number (5698519008).

Almost surely, 268166795597 is an apocalyptic number.

It is an amenable number.

68166795597 is a deficient number, since it is larger than the sum of its proper divisors (23009508531).

68166795597 is a wasteful number, since it uses less digits than its factorization.

68166795597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57280.

The product of its digits is 171460800, while the sum is 69.

The spelling of 68166795597 in words is "sixty-eight billion, one hundred sixty-six million, seven hundred ninety-five thousand, five hundred ninety-seven".

Divisors: 1 3 631 643 1893 1929 56003 168009 405733 1217199 35337893 36009929 106013679 108029787 22722265199 68166795597