169616545680 has 40 divisors (see below), whose sum is σ = 525811292352. Its totient is φ = 45231078784.

The previous prime is 169616545669. The next prime is 169616545727. The reversal of 169616545680 is 86545616961.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 169616545680.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 353367564 + ... + 353368043.

Almost surely, 2^169616545680 is an apocalyptic number.

169616545680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

169616545680 is an abundant number, since it is smaller than the sum of its proper divisors (356194746672).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

169616545680 is a wasteful number, since it uses less digits than its factorization.

169616545680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706735623 (or 706735617 counting only the distinct ones).

The product of its (nonzero) digits is 9331200, while the sum is 57.

The spelling of 169616545680 in words is "one hundred sixty-nine billion, six hundred sixteen million, five hundred forty-five thousand, six hundred eighty".