64916630 has 8 divisors (see below), whose sum is σ = 116849952. Its totient is φ = 25966648.

The previous prime is 64916629. The next prime is 64916633. The reversal of 64916630 is 3661946.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64916633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3245822 + ... + 3245841.

It is an arithmetic number, because the mean of its divisors is an integer number (14606244).

Almost surely, 2^64916630 is an apocalyptic number.

64916630 is a deficient number, since it is larger than the sum of its proper divisors (51933322).

64916630 is a wasteful number, since it uses less digits than its factorization.

64916630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6491670.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 64916630 is about 8057.0857014183. The cubic root of 64916630 is about 401.9006008215.

The spelling of 64916630 in words is "sixty-four million, nine hundred sixteen thousand, six hundred thirty".