1164540951 has 48 divisors (see below), whose sum is σ = 2030828800. Its totient is φ = 628176384.

The previous prime is 1164540931. The next prime is 1164540961. The reversal of 1164540951 is 1590454611.

1164540951 is a `hidden beast` number, since 1 + 1 + 64 + 540 + 9 + 51 = 666.

It is not a de Polignac number, because 1164540951 - 2⁶ = 1164540887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1164540901) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 365895 + ... + 369063.

Almost surely, 2^1164540951 is an apocalyptic number.

1164540951 is a deficient number, since it is larger than the sum of its proper divisors (866287849).

1164540951 is a wasteful number, since it uses less digits than its factorization.

1164540951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3508 (or 3505 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 1164540951 is about 34125.3710749055. The cubic root of 1164540951 is about 1052.0868402028.

The spelling of 1164540951 in words is "one billion, one hundred sixty-four million, five hundred forty thousand, nine hundred fifty-one".