67792539666 has 16 divisors (see below), whose sum is σ = 138143289024. Its totient is φ = 22171144944.

The previous prime is 67792539653. The next prime is 67792539677. The reversal of 67792539666 is 66693529776.

It is a junction number, because it is equal to n+sod(n) for n = 67792539597 and 67792539606.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106591726 + ... + 106592361.

It is an arithmetic number, because the mean of its divisors is an integer number (8633955564).

Almost surely, 2^67792539666 is an apocalyptic number.

67792539666 is an abundant number, since it is smaller than the sum of its proper divisors (70350749358).

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

67792539666 is a wasteful number, since it uses less digits than its factorization.

67792539666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213184145.

The product of its digits is 154314720, while the sum is 66.

The spelling of 67792539666 in words is "sixty-seven billion, seven hundred ninety-two million, five hundred thirty-nine thousand, six hundred sixty-six".