165155100655998 has 32 divisors (see below), whose sum is σ = 330422674654080. Its totient is φ = 55032957817760.

The previous prime is 165155100655921. The next prime is 165155100656069. The reversal of 165155100655998 is 899556001551561.

165155100655998 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent 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, 212163313 + ... + 212940323.

It is an arithmetic number, because the mean of its divisors is an integer number (10325708582940).

Almost surely, 2^{165155100655998} is an apocalyptic number.

165155100655998 is an abundant number, since it is smaller than the sum of its proper divisors (165267573998082).

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

165155100655998 is a wasteful number, since it uses less digits than its factorization.

165155100655998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789032.

The product of its (nonzero) digits is 72900000, while the sum is 66.

The spelling of 165155100655998 in words is "one hundred sixty-five trillion, one hundred fifty-five billion, one hundred million, six hundred fifty-five thousand, nine hundred ninety-eight".