1167166565664 has 96 divisors (see below), whose sum is σ = 3352259566656. Its totient is φ = 352637214720.

The previous prime is 1167166565639. The next prime is 1167166565707. The reversal of 1167166565664 is 4665656617611.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 1167166565598 and 1167166565607.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1283997 + ... + 1995740.

It is an arithmetic number, because the mean of its divisors is an integer number (34919370486).

Almost surely, 2^{1167166565664} is an apocalyptic number.

It is an amenable number.

1167166565664 is an abundant number, since it is smaller than the sum of its proper divisors (2185093000992).

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

1167166565664 is a wasteful number, since it uses less digits than its factorization.

1167166565664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3280098 (or 3280090 counting only the distinct ones).

The product of its digits is 32659200, while the sum is 60.

The spelling of 1167166565664 in words is "one trillion, one hundred sixty-seven billion, one hundred sixty-six million, five hundred sixty-five thousand, six hundred sixty-four".