64613168 has 10 divisors (see below), whose sum is σ = 125188044. Its totient is φ = 32306576.

The previous prime is 64613161. The next prime is 64613183. The reversal of 64613168 is 86131646.

It is a super-2 number, since 2×64613168² = 8349722957992448, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64613161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2019146 + ... + 2019177.

Almost surely, 2^64613168 is an apocalyptic number.

It is an amenable number.

64613168 is a deficient number, since it is larger than the sum of its proper divisors (60574876).

64613168 is a wasteful number, since it uses less digits than its factorization.

64613168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4038331 (or 4038325 counting only the distinct ones).

The product of its digits is 20736, while the sum is 35.

The square root of 64613168 is about 8038.2316463262. The cubic root of 64613168 is about 401.2733753200.

The spelling of 64613168 in words is "sixty-four million, six hundred thirteen thousand, one hundred sixty-eight".