165160260655550 has 24 divisors (see below), whose sum is σ = 307203076479096. Its totient is φ = 66063030787040.

The previous prime is 165160260655493. The next prime is 165160260655603. The reversal of 165160260655550 is 55556062061561.

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 165160260655492 and 165160260655501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23725424 + ... + 29886723.

It is an arithmetic number, because the mean of its divisors is an integer number (12800128186629).

Almost surely, 2^{165160260655550} is an apocalyptic number.

165160260655550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165160260655550 is a deficient number, since it is larger than the sum of its proper divisors (142042815823546).

165160260655550 is a wasteful number, since it uses less digits than its factorization.

165160260655550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53673772 (or 53673767 counting only the distinct ones).

The product of its (nonzero) digits is 8100000, while the sum is 53.

The spelling of 165160260655550 in words is "one hundred sixty-five trillion, one hundred sixty billion, two hundred sixty million, six hundred fifty-five thousand, five hundred fifty".