1156604406 has 16 divisors (see below), whose sum is σ = 2316070848. Its totient is φ = 385057800.

The previous prime is 1156604377. The next prime is 1156604431. The reversal of 1156604406 is 6044066511.

It is a happy number.

It is a super-2 number, since 2×1156604406² = 2675467503957225672, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113980 + ... + 123711.

It is an arithmetic number, because the mean of its divisors is an integer number (144754428).

Almost surely, 2^1156604406 is an apocalyptic number.

1156604406 is an abundant number, since it is smaller than the sum of its proper divisors (1159466442).

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

1156604406 is a wasteful number, since it uses less digits than its factorization.

1156604406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238507.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 1156604406 is about 34008.8871620346. The cubic root of 1156604406 is about 1049.6913396599.

The spelling of 1156604406 in words is "one billion, one hundred fifty-six million, six hundred four thousand, four hundred six".