1166977964 has 12 divisors (see below), whose sum is σ = 2054441424. Its totient is φ = 579994704.

The previous prime is 1166977943. The next prime is 1166977991. The reversal of 1166977964 is 4697796611.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 872819 + ... + 874154.

It is an arithmetic number, because the mean of its divisors is an integer number (171203452).

Almost surely, 2^1166977964 is an apocalyptic number.

It is an amenable number.

1166977964 is a deficient number, since it is larger than the sum of its proper divisors (887463460).

1166977964 is a wasteful number, since it uses less digits than its factorization.

1166977964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1747144 (or 1747142 counting only the distinct ones).

The product of its digits is 3429216, while the sum is 56.

The square root of 1166977964 is about 34161.0591756169. The cubic root of 1166977964 is about 1052.8202229923.

The spelling of 1166977964 in words is "one billion, one hundred sixty-six million, nine hundred seventy-seven thousand, nine hundred sixty-four".