165106652404404 has 24 divisors (see below), whose sum is σ = 386412749443168. Its totient is φ = 54869280253920.

The previous prime is 165106652404387. The next prime is 165106652404427. The reversal of 165106652404404 is 404404256601561.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20783814307 + ... + 20783822250.

Almost surely, 2^{165106652404404} is an apocalyptic number.

It is an amenable number.

165106652404404 is an abundant number, since it is smaller than the sum of its proper divisors (221306097038764).

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

165106652404404 is a wasteful number, since it uses less digits than its factorization.

165106652404404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41567636895 (or 41567636893 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 48.

The spelling of 165106652404404 in words is "one hundred sixty-five trillion, one hundred six billion, six hundred fifty-two million, four hundred four thousand, four hundred four".