1157534816 has 12 divisors (see below), whose sum is σ = 2278896732. Its totient is φ = 578767392.

The previous prime is 1157534789. The next prime is 1157534839. The reversal of 1157534816 is 6184357511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18086450 + ... + 18086513.

It is an arithmetic number, because the mean of its divisors is an integer number (189908061).

Almost surely, 2^1157534816 is an apocalyptic number.

1157534816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1157534816 is a deficient number, since it is larger than the sum of its proper divisors (1121361916).

1157534816 is an equidigital number, since it uses as much as digits as its factorization.

1157534816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36172973 (or 36172965 counting only the distinct ones).

The product of its digits is 100800, while the sum is 41.

The square root of 1157534816 is about 34022.5633367035. The cubic root of 1157534816 is about 1049.9727327764.

The spelling of 1157534816 in words is "one billion, one hundred fifty-seven million, five hundred thirty-four thousand, eight hundred sixteen".