164616472 has 8 divisors (see below), whose sum is σ = 308655900. Its totient is φ = 82308232.

The previous prime is 164616461. The next prime is 164616523. The reversal of 164616472 is 274616461.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10288522 + ... + 10288537.

Almost surely, 2^164616472 is an apocalyptic number.

It is an amenable number.

164616472 is a deficient number, since it is larger than the sum of its proper divisors (144039428).

164616472 is a wasteful number, since it uses less digits than its factorization.

164616472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20577065 (or 20577061 counting only the distinct ones).

The product of its digits is 48384, while the sum is 37.

The square root of 164616472 is about 12830.2950862402. The cubic root of 164616472 is about 548.0553605250.

The spelling of 164616472 in words is "one hundred sixty-four million, six hundred sixteen thousand, four hundred seventy-two".