66369357 has 12 divisors (see below), whose sum is σ = 98959744. Its totient is φ = 42818760.

The previous prime is 66369353. The next prime is 66369361. The reversal of 66369357 is 75396366.

66369357 is a `hidden beast` number, since 6 + 636 + 9 + 3 + 5 + 7 = 666.

It is an interprime number because it is at equal distance from previous prime (66369353) and next prime (66369361).

It is not a de Polignac number, because 66369357 - 2² = 66369353 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66369353) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 118663 + ... + 119220.

Almost surely, 2^66369357 is an apocalyptic number.

It is an amenable number.

66369357 is a deficient number, since it is larger than the sum of its proper divisors (32590387).

66369357 is a wasteful number, since it uses less digits than its factorization.

66369357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237920 (or 237917 counting only the distinct ones).

The product of its digits is 612360, while the sum is 45.

The square root of 66369357 is about 8146.7390408678. The cubic root of 66369357 is about 404.8764689551.

The spelling of 66369357 in words is "sixty-six million, three hundred sixty-nine thousand, three hundred fifty-seven".