3660199956456 has 16 divisors (see below), whose sum is σ = 9150499891200. Its totient is φ = 1220066652144.

The previous prime is 3660199956451. The next prime is 3660199956521. The reversal of 3660199956456 is 6546599910663.

It is not an unprimeable number, because it can be changed into a prime (3660199956451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76254165736 + ... + 76254165783.

It is an arithmetic number, because the mean of its divisors is an integer number (571906243200).

Almost surely, 2^{3660199956456} is an apocalyptic number.

It is an amenable number.

3660199956456 is an abundant number, since it is smaller than the sum of its proper divisors (5490299934744).

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

3660199956456 is a wasteful number, since it uses less digits than its factorization.

3660199956456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152508331528 (or 152508331524 counting only the distinct ones).

The product of its (nonzero) digits is 283435200, while the sum is 69.

The spelling of 3660199956456 in words is "three trillion, six hundred sixty billion, one hundred ninety-nine million, nine hundred fifty-six thousand, four hundred fifty-six".