64516850 has 24 divisors (see below), whose sum is σ = 120877680. Its totient is φ = 25618320.

The previous prime is 64516843. The next prime is 64516877. The reversal of 64516850 is 5861546.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 64516850.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2309 + ... + 11591.

It is an arithmetic number, because the mean of its divisors is an integer number (5036570).

Almost surely, 2^64516850 is an apocalyptic number.

64516850 is a deficient number, since it is larger than the sum of its proper divisors (56360830).

64516850 is a wasteful number, since it uses less digits than its factorization.

64516850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9434 (or 9429 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 64516850 is about 8032.2381687796. The cubic root of 64516850 is about 401.0738851798.

The spelling of 64516850 in words is "sixty-four million, five hundred sixteen thousand, eight hundred fifty".