164157866896 has 45 divisors (see below), whose sum is σ = 320291423121. Its totient is φ = 81506031552.

The previous prime is 164157866869. The next prime is 164157866923. The reversal of 164157866896 is 698668751461.

The square root of 164157866896 is 405164.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (164157866869) and next prime (164157866923).

It can be written as a sum of positive squares in only one way, i.e., 133490852496 + 30667014400 = 365364^2 + 175120^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 322510290 + ... + 322510798.

Almost surely, 2^164157866896 is an apocalyptic number.

164157866896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

164157866896 is the 405164-th square number.

It is an amenable number.

164157866896 is a deficient number, since it is larger than the sum of its proper divisors (156133556225).

164157866896 is an frugal number, since it uses more digits than its factorization.

164157866896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1424 (or 710 counting only the distinct ones).

The product of its digits is 104509440, while the sum is 67.

The spelling of 164157866896 in words is "one hundred sixty-four billion, one hundred fifty-seven million, eight hundred sixty-six thousand, eight hundred ninety-six".