102667694418 has 12 divisors (see below), whose sum is σ = 222446671278. Its totient is φ = 34222564800.

The previous prime is 102667694407. The next prime is 102667694447. The reversal of 102667694418 is 814496766201.

102667694418 is a `hidden beast` number, since 10 + 2 + 66 + 76 + 94 + 418 = 666.

It can be written as a sum of positive squares in only one way, i.e., 64139108049 + 38528586369 = 253257^2 + 196287^2 .

It is a super-4 number, since 4×102667694418⁴ (a number of 45 digits) contains 4444 as substring.

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, 2851880383 + ... + 2851880418.

Almost surely, 2^102667694418 is an apocalyptic number.

102667694418 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

102667694418 is an abundant number, since it is smaller than the sum of its proper divisors (119778976860).

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

102667694418 is a wasteful number, since it uses less digits than its factorization.

102667694418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5703760809 (or 5703760806 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

The spelling of 102667694418 in words is "one hundred two billion, six hundred sixty-seven million, six hundred ninety-four thousand, four hundred eighteen".