1156022656 has 16 divisors (see below), whose sum is σ = 2303014140. Its totient is φ = 578011264.

The previous prime is 1156022653. The next prime is 1156022677. The reversal of 1156022656 is 6562206511.

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-3 number, since 3×1156022656³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1156022653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4515586 + ... + 4515841.

Almost surely, 2^1156022656 is an apocalyptic number.

1156022656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1156022656 is a deficient number, since it is larger than the sum of its proper divisors (1146991484).

1156022656 is an frugal number, since it uses more digits than its factorization.

1156022656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9031441 (or 9031429 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 1156022656 is about 34000.3331748382. Note that the first 3 decimals coincide. The cubic root of 1156022656 is about 1049.5153185573.

The spelling of 1156022656 in words is "one billion, one hundred fifty-six million, twenty-two thousand, six hundred fifty-six".