165655552102 has 16 divisors (see below), whose sum is σ = 250468157952. Its totient is φ = 82166313600.

The previous prime is 165655552067. The next prime is 165655552133. The reversal of 165655552102 is 201255556561.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2584798 + ... + 2648110.

It is an arithmetic number, because the mean of its divisors is an integer number (15654259872).

Almost surely, 2^165655552102 is an apocalyptic number.

165655552102 is a deficient number, since it is larger than the sum of its proper divisors (84812605850).

165655552102 is a wasteful number, since it uses less digits than its factorization.

165655552102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73743.

The product of its (nonzero) digits is 450000, while the sum is 43.

The spelling of 165655552102 in words is "one hundred sixty-five billion, six hundred fifty-five million, five hundred fifty-two thousand, one hundred two".