1156616832 has 64 divisors (see below), whose sum is σ = 3511166400. Its totient is φ = 330461184.

The previous prime is 1156616819. The next prime is 1156616837. The reversal of 1156616832 is 2386166511.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (1156616837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212457 + ... + 217832.

It is an arithmetic number, because the mean of its divisors is an integer number (54861975).

Almost surely, 2^1156616832 is an apocalyptic number.

1156616832 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1156616832 is an abundant number, since it is smaller than the sum of its proper divisors (2354549568).

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

1156616832 is an equidigital number, since it uses as much as digits as its factorization.

1156616832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430313 (or 430301 counting only the distinct ones).

The product of its digits is 51840, while the sum is 39.

The square root of 1156616832 is about 34009.0698490858. The cubic root of 1156616832 is about 1049.6950987723.

The spelling of 1156616832 in words is "one billion, one hundred fifty-six million, six hundred sixteen thousand, eight hundred thirty-two".