164961612718 has 16 divisors (see below), whose sum is σ = 283367297664. Its totient is φ = 70553843640.

The previous prime is 164961612707. The next prime is 164961612737. The reversal of 164961612718 is 817216169461.

It is a happy number.

164961612718 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 an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11992080 + ... + 12005827.

It is an arithmetic number, because the mean of its divisors is an integer number (17710456104).

Almost surely, 2^164961612718 is an apocalyptic number.

164961612718 is a deficient number, since it is larger than the sum of its proper divisors (118405684946).

164961612718 is a wasteful number, since it uses less digits than its factorization.

164961612718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23998407.

The product of its digits is 870912, while the sum is 52.

The spelling of 164961612718 in words is "one hundred sixty-four billion, nine hundred sixty-one million, six hundred twelve thousand, seven hundred eighteen".