1162138518 has 24 divisors (see below), whose sum is σ = 2604794400. Its totient is φ = 374021424.

The previous prime is 1162138507. The next prime is 1162138561. The reversal of 1162138518 is 8158312611.

1162138518 is a `hidden beast` number, since 1 + 1 + 6 + 2 + 138 + 518 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1112638 + ... + 1113681.

It is an arithmetic number, because the mean of its divisors is an integer number (108533100).

Almost surely, 2^1162138518 is an apocalyptic number.

1162138518 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1162138518 is an abundant number, since it is smaller than the sum of its proper divisors (1442655882).

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

1162138518 is a wasteful number, since it uses less digits than its factorization.

1162138518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2226356 (or 2226353 counting only the distinct ones).

The product of its digits is 11520, while the sum is 36.

The square root of 1162138518 is about 34090.1528010656. The cubic root of 1162138518 is about 1051.3628615827.

The spelling of 1162138518 in words is "one billion, one hundred sixty-two million, one hundred thirty-eight thousand, five hundred eighteen".