1164156354 has 32 divisors (see below), whose sum is σ = 2591567040. Its totient is φ = 387369216.

The previous prime is 1164156319. The next prime is 1164156359. The reversal of 1164156354 is 4536514611.

1164156354 is a `hidden beast` number, since 1 + 1 + 6 + 4 + 15 + 635 + 4 = 666.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1164156359) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12477 + ... + 49839.

It is an arithmetic number, because the mean of its divisors is an integer number (80986470).

Almost surely, 2^1164156354 is an apocalyptic number.

1164156354 is an abundant number, since it is smaller than the sum of its proper divisors (1427410686).

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

1164156354 is a wasteful number, since it uses less digits than its factorization.

1164156354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37951 (or 37945 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 1164156354 is about 34119.7355499717. The cubic root of 1164156354 is about 1051.9710080104.

The spelling of 1164156354 in words is "one billion, one hundred sixty-four million, one hundred fifty-six thousand, three hundred fifty-four".