165501656662 has 24 divisors (see below), whose sum is σ = 259488621360. Its totient is φ = 79073406720.

The previous prime is 165501656597. The next prime is 165501656729. The reversal of 165501656662 is 266656105561.

165501656662 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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 394087 + ... + 697357.

It is an arithmetic number, because the mean of its divisors is an integer number (10812025890).

Almost surely, 2^165501656662 is an apocalyptic number.

165501656662 is a deficient number, since it is larger than the sum of its proper divisors (93986964698).

165501656662 is an equidigital number, since it uses as much as digits as its factorization.

165501656662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303496 (or 303399 counting only the distinct ones).

The product of its (nonzero) digits is 1944000, while the sum is 49.

The spelling of 165501656662 in words is "one hundred sixty-five billion, five hundred one million, six hundred fifty-six thousand, six hundred sixty-two".