66957033462 has 32 divisors (see below), whose sum is σ = 148844459520. Its totient is φ = 19907178720.

The previous prime is 66957033443. The next prime is 66957033541. The reversal of 66957033462 is 26433075966.

It is a happy number.

It is a congruent number.

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, 9567262 + ... + 9574257.

It is an arithmetic number, because the mean of its divisors is an integer number (4651389360).

Almost surely, 2^66957033462 is an apocalyptic number.

66957033462 is an abundant number, since it is smaller than the sum of its proper divisors (81887426058).

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

66957033462 is a wasteful number, since it uses less digits than its factorization.

66957033462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19141588.

The product of its (nonzero) digits is 4898880, while the sum is 51.

The spelling of 66957033462 in words is "sixty-six billion, nine hundred fifty-seven million, thirty-three thousand, four hundred sixty-two".