1164670491 has 16 divisors (see below), whose sum is σ = 1571616000. Its totient is φ = 767119200.

The previous prime is 1164670483. The next prime is 1164670519. The reversal of 1164670491 is 1940764611.

It is not a de Polignac number, because 1164670491 - 2³ = 1164670483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1164670471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147346 + ... + 155048.

It is an arithmetic number, because the mean of its divisors is an integer number (98226000).

Almost surely, 2^1164670491 is an apocalyptic number.

1164670491 is a deficient number, since it is larger than the sum of its proper divisors (406945509).

1164670491 is a wasteful number, since it uses less digits than its factorization.

1164670491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8306.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 1164670491 is about 34127.2690234657. The cubic root of 1164670491 is about 1052.1258490718.

The spelling of 1164670491 in words is "one billion, one hundred sixty-four million, six hundred seventy thousand, four hundred ninety-one".