16610166164 has 12 divisors (see below), whose sum is σ = 29776761588. Its totient is φ = 8102520000.

The previous prime is 16610166161. The next prime is 16610166241. The reversal of 16610166164 is 46166101661.

It can be written as a sum of positive squares in 2 ways, for example, as 1849860100 + 14760306064 = 43010^2 + 121492^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16610166161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50640587 + ... + 50640914.

It is an arithmetic number, because the mean of its divisors is an integer number (2481396799).

Almost surely, 2^16610166164 is an apocalyptic number.

It is an amenable number.

16610166164 is a deficient number, since it is larger than the sum of its proper divisors (13166595424).

16610166164 is a wasteful number, since it uses less digits than its factorization.

16610166164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101281546 (or 101281544 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 38.

The spelling of 16610166164 in words is "sixteen billion, six hundred ten million, one hundred sixty-six thousand, one hundred sixty-four".