164621048 has 8 divisors (see below), whose sum is σ = 308664480. Its totient is φ = 82310520.

The previous prime is 164620993. The next prime is 164621057. The reversal of 164621048 is 840126461.

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

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, 10288808 + ... + 10288823.

It is an arithmetic number, because the mean of its divisors is an integer number (38583060).

Almost surely, 2^164621048 is an apocalyptic number.

It is an amenable number.

164621048 is a deficient number, since it is larger than the sum of its proper divisors (144043432).

164621048 is a wasteful number, since it uses less digits than its factorization.

164621048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20577637 (or 20577633 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 164621048 is about 12830.4734129338. The cubic root of 164621048 is about 548.0604387493.

The spelling of 164621048 in words is "one hundred sixty-four million, six hundred twenty-one thousand, forty-eight".