1166883544272 has 80 divisors (see below), whose sum is σ = 3026909515392. Its totient is φ = 387354132480.

The previous prime is 1166883544271. The next prime is 1166883544283. The reversal of 1166883544272 is 2724453886611.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166883544271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66988108 + ... + 67005524.

Almost surely, 2^{1166883544272} is an apocalyptic number.

1166883544272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1166883544272 is an abundant number, since it is smaller than the sum of its proper divisors (1860025971120).

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

1166883544272 is a wasteful number, since it uses less digits than its factorization.

1166883544272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23116 (or 23110 counting only the distinct ones).

The product of its digits is 15482880, while the sum is 57.

The spelling of 1166883544272 in words is "one trillion, one hundred sixty-six billion, eight hundred eighty-three million, five hundred forty-four thousand, two hundred seventy-two".