165554923902 has 32 divisors (see below), whose sum is σ = 333539606400. Its totient is φ = 54780128928.

The previous prime is 165554923901. The next prime is 165554923907. The reversal of 165554923902 is 209329455561.

165554923902 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165554923901) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 10431249 + ... + 10447107.

It is an arithmetic number, because the mean of its divisors is an integer number (10423112700).

Almost surely, 2^165554923902 is an apocalyptic number.

165554923902 is an abundant number, since it is smaller than the sum of its proper divisors (167984682498).

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

165554923902 is a wasteful number, since it uses less digits than its factorization.

165554923902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28520.

The product of its (nonzero) digits is 2916000, while the sum is 51.

The spelling of 165554923902 in words is "one hundred sixty-five billion, five hundred fifty-four million, nine hundred twenty-three thousand, nine hundred two".