1156606264 has 64 divisors (see below), whose sum is σ = 2433888000. Its totient is φ = 510808320.

The previous prime is 1156606223. The next prime is 1156606277. The reversal of 1156606264 is 4626066511.

It is a congruent number.

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, 460837 + ... + 463339.

It is an arithmetic number, because the mean of its divisors is an integer number (38029500).

Almost surely, 2^1156606264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1156606264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1216944000).

1156606264 is an abundant number, since it is smaller than the sum of its proper divisors (1277281736).

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

1156606264 is a wasteful number, since it uses less digits than its factorization.

1156606264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2668 (or 2664 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 1156606264 is about 34008.9144784129. The cubic root of 1156606264 is about 1049.6919017436.

The spelling of 1156606264 in words is "one billion, one hundred fifty-six million, six hundred six thousand, two hundred sixty-four".