64160657 has 8 divisors (see below), whose sum is σ = 70674240. Its totient is φ = 57760560.

The previous prime is 64160623. The next prime is 64160659. The reversal of 64160657 is 75606146.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 64160657 - 2¹⁰ = 64159633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64160659) 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, 27182 + ... + 29447.

It is an arithmetic number, because the mean of its divisors is an integer number (8834280).

Almost surely, 2^64160657 is an apocalyptic number.

It is an amenable number.

64160657 is a deficient number, since it is larger than the sum of its proper divisors (6513583).

64160657 is a wasteful number, since it uses less digits than its factorization.

64160657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56743.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 64160657 is about 8010.0347689632. The cubic root of 64160657 is about 400.3344224095.

The spelling of 64160657 in words is "sixty-four million, one hundred sixty thousand, six hundred fifty-seven".