7671942086418 has 12 divisors (see below), whose sum is σ = 16622541187278. Its totient is φ = 2557314028800.

The previous prime is 7671942086387. The next prime is 7671942086447. The reversal of 7671942086418 is 8146802491767.

7671942086418 is a `hidden beast` number, since 7 + 6 + 7 + 1 + 9 + 4 + 208 + 6 + 418 = 666.

It can be written as a sum of positive squares in only one way, i.e., 7648781203449 + 23160882969 = 2765643^2 + 152187^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 213109502383 + ... + 213109502418.

Almost surely, 2^{7671942086418} is an apocalyptic number.

7671942086418 is an abundant number, since it is smaller than the sum of its proper divisors (8950599100860).

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

7671942086418 is a wasteful number, since it uses less digits than its factorization.

7671942086418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426219004809 (or 426219004806 counting only the distinct ones).

The product of its (nonzero) digits is 32514048, while the sum is 63.

The spelling of 7671942086418 in words is "seven trillion, six hundred seventy-one billion, nine hundred forty-two million, eighty-six thousand, four hundred eighteen".