66500924 has 12 divisors (see below), whose sum is σ = 133001904. Its totient is φ = 28500384.

The previous prime is 66500909. The next prime is 66500939. The reversal of 66500924 is 42900566.

It is an interprime number because it is at equal distance from previous prime (66500909) and next prime (66500939).

66500924 is an admirable number.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1187489 + ... + 1187544.

It is an arithmetic number, because the mean of its divisors is an integer number (11083492).

Almost surely, 2^66500924 is an apocalyptic number.

It is an amenable number.

66500924 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

66500924 is a wasteful number, since it uses less digits than its factorization.

66500924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2375044 (or 2375042 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 66500924 is about 8154.8098690282. The cubic root of 66500924 is about 405.1438273904.

The spelling of 66500924 in words is "sixty-six million, five hundred thousand, nine hundred twenty-four".