1157296918 has 16 divisors (see below), whose sum is σ = 1777086720. Its totient is φ = 565065000.

The previous prime is 1157296891. The next prime is 1157296937. The reversal of 1157296918 is 8196927511.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14658 + ... + 50293.

It is an arithmetic number, because the mean of its divisors is an integer number (111067920).

Almost surely, 2^1157296918 is an apocalyptic number.

1157296918 is a deficient number, since it is larger than the sum of its proper divisors (619789802).

1157296918 is a wasteful number, since it uses less digits than its factorization.

1157296918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65163.

The product of its digits is 272160, while the sum is 49.

The square root of 1157296918 is about 34019.0669772115. The cubic root of 1157296918 is about 1049.9007972793.

The spelling of 1157296918 in words is "one billion, one hundred fifty-seven million, two hundred ninety-six thousand, nine hundred eighteen".