164220652 has 24 divisors (see below), whose sum is σ = 297511424. Its totient is φ = 79252992.

The previous prime is 164220643. The next prime is 164220673. The reversal of 164220652 is 256022461.

It is a self number, because there is not a number n which added to its sum of digits gives 164220652.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14428 + ... + 23164.

Almost surely, 2^164220652 is an apocalyptic number.

It is an amenable number.

164220652 is a deficient number, since it is larger than the sum of its proper divisors (133290772).

164220652 is a wasteful number, since it uses less digits than its factorization.

164220652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8905 (or 8903 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 164220652 is about 12814.8605922967. The cubic root of 164220652 is about 547.6157419517.

The spelling of 164220652 in words is "one hundred sixty-four million, two hundred twenty thousand, six hundred fifty-two".