66250344 has 64 divisors (see below), whose sum is σ = 169303680. Its totient is φ = 21600000.

The previous prime is 66250339. The next prime is 66250361. The reversal of 66250344 is 44305266.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 365934 + ... + 366114.

It is an arithmetic number, because the mean of its divisors is an integer number (2645370).

Almost surely, 2^66250344 is an apocalyptic number.

It is an amenable number.

66250344 is an abundant number, since it is smaller than the sum of its proper divisors (103053336).

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

66250344 is a wasteful number, since it uses less digits than its factorization.

66250344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442 (or 438 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 66250344 is about 8139.4314297744. The cubic root of 66250344 is about 404.6343170741.

The spelling of 66250344 in words is "sixty-six million, two hundred fifty thousand, three hundred forty-four".