169157915663 has 12 divisors (see below), whose sum is σ = 186240304320. Its totient is φ = 153526512480.

The previous prime is 169157915657. The next prime is 169157915671. The reversal of 169157915663 is 366519751961.

169157915663 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-169157915663 is a prime.

It is a super-2 number, since 2×169157915663² (a number of 23 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 (169157915653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1078118 + ... + 1225011.

It is an arithmetic number, because the mean of its divisors is an integer number (15520025360).

Almost surely, 2^169157915663 is an apocalyptic number.

169157915663 is a deficient number, since it is larger than the sum of its proper divisors (17082388657).

169157915663 is a wasteful number, since it uses less digits than its factorization.

169157915663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2303758 (or 2303747 counting only the distinct ones).

The product of its digits is 9185400, while the sum is 59.

The spelling of 169157915663 in words is "one hundred sixty-nine billion, one hundred fifty-seven million, nine hundred fifteen thousand, six hundred sixty-three".