164251696 has 20 divisors (see below), whose sum is σ = 363700432. Its totient is φ = 70393536.

The previous prime is 164251691. The next prime is 164251697. The reversal of 164251696 is 696152461.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (164251691) 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, 733155 + ... + 733378.

Almost surely, 2^164251696 is an apocalyptic number.

164251696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

164251696 is an abundant number, since it is smaller than the sum of its proper divisors (199448736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

164251696 is a wasteful number, since it uses less digits than its factorization.

164251696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1466548 (or 1466542 counting only the distinct ones).

The product of its digits is 77760, while the sum is 40.

The square root of 164251696 is about 12816.0717850674. The cubic root of 164251696 is about 547.6502465684.

The spelling of 164251696 in words is "one hundred sixty-four million, two hundred fifty-one thousand, six hundred ninety-six".