60664515 has 16 divisors (see below), whose sum is σ = 97214208. Its totient is φ = 32304096.

The previous prime is 60664481. The next prime is 60664537. The reversal of 60664515 is 51546606.

It is a de Polignac number, because none of the positive numbers 2^k-60664515 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8124 + ... + 13686.

It is an arithmetic number, because the mean of its divisors is an integer number (6075888).

Almost surely, 2^60664515 is an apocalyptic number.

60664515 is a deficient number, since it is larger than the sum of its proper divisors (36549693).

60664515 is a wasteful number, since it uses less digits than its factorization.

60664515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6298.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 60664515 is about 7788.7428382249. The cubic root of 60664515 is about 392.9267323871.

The spelling of 60664515 in words is "sixty million, six hundred sixty-four thousand, five hundred fifteen".