1163317920 has 96 divisors (see below), whose sum is σ = 3823811712. Its totient is φ = 296727552.

The previous prime is 1163317901. The next prime is 1163317949. The reversal of 1163317920 is 297133611.

It is a tau number, because it is divible by the number of its divisors (96).

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, 41647 + ... + 63726.

It is an arithmetic number, because the mean of its divisors is an integer number (39831372).

Almost surely, 2^1163317920 is an apocalyptic number.

1163317920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1163317920 is an abundant number, since it is smaller than the sum of its proper divisors (2660493792).

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

1163317920 is a wasteful number, since it uses less digits than its factorization.

1163317920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105414 (or 105406 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 1163317920 is about 34107.4466942338. The cubic root of 1163317920 is about 1051.7184015958.

It can be divided in two parts, 116331 and 7920, that added together give a triangular number (124251 = T₄₉₈).

The spelling of 1163317920 in words is "one billion, one hundred sixty-three million, three hundred seventeen thousand, nine hundred twenty".