66802952 has 16 divisors (see below), whose sum is σ = 125433600. Its totient is φ = 33354000.

The previous prime is 66802943. The next prime is 66802961. The reversal of 66802952 is 25920866.

It is an interprime number because it is at equal distance from previous prime (66802943) and next prime (66802961).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 449 + ... + 11567.

It is an arithmetic number, because the mean of its divisors is an integer number (7839600).

Almost surely, 2^66802952 is an apocalyptic number.

It is an amenable number.

66802952 is a deficient number, since it is larger than the sum of its proper divisors (58630648).

66802952 is a wasteful number, since it uses less digits than its factorization.

66802952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11876 (or 11872 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 66802952 is about 8173.3072865273. The cubic root of 66802952 is about 405.7562499456.

The spelling of 66802952 in words is "sixty-six million, eight hundred two thousand, nine hundred fifty-two".