64240966 has 16 divisors (see below), whose sum is σ = 97796160. Its totient is φ = 31645440.

The previous prime is 64240961. The next prime is 64240993. The reversal of 64240966 is 66904246.

It is a super-2 number, since 2×64240966² = 8253803425226312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64240961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51571 + ... + 52801.

It is an arithmetic number, because the mean of its divisors is an integer number (6112260).

Almost surely, 2^64240966 is an apocalyptic number.

64240966 is a deficient number, since it is larger than the sum of its proper divisors (33555194).

64240966 is a wasteful number, since it uses less digits than its factorization.

64240966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1599.

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 64240966 is about 8015.0462256933. The cubic root of 64240966 is about 400.5013837732.

The spelling of 64240966 in words is "sixty-four million, two hundred forty thousand, nine hundred sixty-six".