64830066 has 32 divisors (see below), whose sum is σ = 149326848. Its totient is φ = 18379920.

The previous prime is 64830053. The next prime is 64830067. The reversal of 64830066 is 66003846.

It is not an unprimeable number, because it can be changed into a prime (64830067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 390 + ... + 11393.

It is an arithmetic number, because the mean of its divisors is an integer number (4666464).

Almost surely, 2^64830066 is an apocalyptic number.

64830066 is an abundant number, since it is smaller than the sum of its proper divisors (84496782).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64830066 is a wasteful number, since it uses less digits than its factorization.

64830066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11926.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 64830066 is about 8051.7119918686. The cubic root of 64830066 is about 401.7218813425.

The spelling of 64830066 in words is "sixty-four million, eight hundred thirty thousand, sixty-six".