1164026992 has 40 divisors (see below), whose sum is σ = 2398346496. Its totient is φ = 545396736.

The previous prime is 1164026977. The next prime is 1164027013. The reversal of 1164026992 is 2996204611.

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, 54193 + ... + 72559.

Almost surely, 2^1164026992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1164026992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1199173248).

1164026992 is an abundant number, since it is smaller than the sum of its proper divisors (1234319504).

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

1164026992 is a wasteful number, since it uses less digits than its factorization.

1164026992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18625 (or 18619 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 1164026992 is about 34117.8397909364. The cubic root of 1164026992 is about 1051.9320412759.

The spelling of 1164026992 in words is "one billion, one hundred sixty-four million, twenty-six thousand, nine hundred ninety-two".