64516036 has 24 divisors (see below), whose sum is σ = 122097024. Its totient is φ = 29652000.

The previous prime is 64516027. The next prime is 64516043. The reversal of 64516036 is 63061546.

It is a junction number, because it is equal to n+sod(n) for n = 64515989 and 64516007.

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, 10581 + ... + 15523.

It is an arithmetic number, because the mean of its divisors is an integer number (5087376).

Almost surely, 2^64516036 is an apocalyptic number.

It is an amenable number.

64516036 is a deficient number, since it is larger than the sum of its proper divisors (57580988).

64516036 is a wasteful number, since it uses less digits than its factorization.

64516036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5211 (or 5209 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 64516036 is about 8032.1874978115. The cubic root of 64516036 is about 401.0721984085.

The spelling of 64516036 in words is "sixty-four million, five hundred sixteen thousand, thirty-six".