165470409601536 has 160 divisors (see below), whose sum is σ = 474821253244800. Its totient is φ = 50904508760064.

The previous prime is 165470409601493. The next prime is 165470409601583. The reversal of 165470409601536 is 635106904074561.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107039796 + ... + 108574668.

It is an arithmetic number, because the mean of its divisors is an integer number (2967632832780).

Almost surely, 2^{165470409601536} is an apocalyptic number.

165470409601536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 165470409601536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237410626622400).

165470409601536 is an abundant number, since it is smaller than the sum of its proper divisors (309350843643264).

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

165470409601536 is a wasteful number, since it uses less digits than its factorization.

165470409601536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1540306 (or 1540290 counting only the distinct ones).

The product of its (nonzero) digits is 16329600, while the sum is 57.

The spelling of 165470409601536 in words is "one hundred sixty-five trillion, four hundred seventy billion, four hundred nine million, six hundred one thousand, five hundred thirty-six".