1167981949976 has 32 divisors (see below), whose sum is σ = 2358897638400. Its totient is φ = 540580703520.

The previous prime is 1167981949961. The next prime is 1167981949987. The reversal of 1167981949976 is 6799491897611.

It is a junction number, because it is equal to n+sod(n) for n = 1167981949897 and 1167981949906.

It is a congruent number.

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, 102377006 + ... + 102388413.

It is an arithmetic number, because the mean of its divisors is an integer number (73715551200).

Almost surely, 2^{1167981949976} is an apocalyptic number.

It is an amenable number.

1167981949976 is an abundant number, since it is smaller than the sum of its proper divisors (1190915688424).

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

1167981949976 is a wasteful number, since it uses less digits than its factorization.

1167981949976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204765479 (or 204765475 counting only the distinct ones).

The product of its digits is 370355328, while the sum is 77.

The spelling of 1167981949976 in words is "one trillion, one hundred sixty-seven billion, nine hundred eighty-one million, nine hundred forty-nine thousand, nine hundred seventy-six".