64487165 has 8 divisors (see below), whose sum is σ = 78540000. Its totient is φ = 50819472.

The previous prime is 64487153. The next prime is 64487209. The reversal of 64487165 is 56178446.

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

It is a cyclic number.

It is not a de Polignac number, because 64487165 - 2⁸ = 64486909 is a prime.

It is a congruent number.

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, 95915 + ... + 96584.

It is an arithmetic number, because the mean of its divisors is an integer number (9817500).

Almost surely, 2^64487165 is an apocalyptic number.

It is an amenable number.

64487165 is a deficient number, since it is larger than the sum of its proper divisors (14052835).

64487165 is a wasteful number, since it uses less digits than its factorization.

64487165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192571.

The product of its digits is 161280, while the sum is 41.

The square root of 64487165 is about 8030.3900901513. The cubic root of 64487165 is about 401.0123627261.

The spelling of 64487165 in words is "sixty-four million, four hundred eighty-seven thousand, one hundred sixty-five".