6662407293858 has 32 divisors (see below), whose sum is σ = 13755461386752. Its totient is φ = 2149036444800.

The previous prime is 6662407293853. The next prime is 6662407293881. The reversal of 6662407293858 is 8583927042666.

It is not an unprimeable number, because it can be changed into a prime (6662407293853) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2116668 + ... + 4219608.

It is an arithmetic number, because the mean of its divisors is an integer number (429858168336).

Almost surely, 2^{6662407293858} is an apocalyptic number.

6662407293858 is an abundant number, since it is smaller than the sum of its proper divisors (7093054092894).

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

6662407293858 is a wasteful number, since it uses less digits than its factorization.

6662407293858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2120010.

The product of its (nonzero) digits is 209018880, while the sum is 66.

The spelling of 6662407293858 in words is "six trillion, six hundred sixty-two billion, four hundred seven million, two hundred ninety-three thousand, eight hundred fifty-eight".