164787472 has 40 divisors (see below), whose sum is σ = 326541600. Its totient is φ = 80535552.

The previous prime is 164787463. The next prime is 164787473. The reversal of 164787472 is 274787461.

It is not an unprimeable number, because it can be changed into a prime (164787473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213904 + ... + 214672.

It is an arithmetic number, because the mean of its divisors is an integer number (8163540).

Almost surely, 2^164787472 is an apocalyptic number.

It is an amenable number.

164787472 is a deficient number, since it is larger than the sum of its proper divisors (161754128).

164787472 is a wasteful number, since it uses less digits than its factorization.

164787472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1063 (or 1057 counting only the distinct ones).

The product of its digits is 526848, while the sum is 46.

The square root of 164787472 is about 12836.9572718772. The cubic root of 164787472 is about 548.2450641711.

The spelling of 164787472 in words is "one hundred sixty-four million, seven hundred eighty-seven thousand, four hundred seventy-two".