1166125164 has 48 divisors (see below), whose sum is σ = 2757400800. Its totient is φ = 383533056.

The previous prime is 1166125153. The next prime is 1166125187. The reversal of 1166125164 is 4615216611.

It is a super-2 number, since 2×1166125164² = 2719695796228053792, which contains 22 as substring.

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, 334422 + ... + 337890.

It is an arithmetic number, because the mean of its divisors is an integer number (57445850).

Almost surely, 2^1166125164 is an apocalyptic number.

It is an amenable number.

1166125164 is an abundant number, since it is smaller than the sum of its proper divisors (1591275636).

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

1166125164 is a wasteful number, since it uses less digits than its factorization.

1166125164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3842 (or 3840 counting only the distinct ones).

The product of its digits is 8640, while the sum is 33.

The square root of 1166125164 is about 34148.5748458116. The cubic root of 1166125164 is about 1052.5637017581.

The spelling of 1166125164 in words is "one billion, one hundred sixty-six million, one hundred twenty-five thousand, one hundred sixty-four".