1164153612 has 48 divisors (see below), whose sum is σ = 2824748640. Its totient is φ = 372707328.

The previous prime is 1164153589. The next prime is 1164153637. The reversal of 1164153612 is 2163514611.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1164153612.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58498 + ... + 75830.

It is an arithmetic number, because the mean of its divisors is an integer number (58848930).

Almost surely, 2^1164153612 is an apocalyptic number.

1164153612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1164153612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1412374320).

1164153612 is an abundant number, since it is smaller than the sum of its proper divisors (1660595028).

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

1164153612 is a wasteful number, since it uses less digits than its factorization.

1164153612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17562 (or 17560 counting only the distinct ones).

The product of its digits is 4320, while the sum is 30.

The square root of 1164153612 is about 34119.6953679250. The cubic root of 1164153612 is about 1051.9701820884.

The spelling of 1164153612 in words is "one billion, one hundred sixty-four million, one hundred fifty-three thousand, six hundred twelve".