1388655162 has 24 divisors (see below), whose sum is σ = 3009470880. Its totient is φ = 462774600.

The previous prime is 1388655139. The next prime is 1388655181. The reversal of 1388655162 is 2615568831.

1388655162 is a `hidden beast` number, since 1 + 38 + 8 + 6 + 551 + 62 = 666.

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, 110139 + ... + 122097.

It is an arithmetic number, because the mean of its divisors is an integer number (125394620).

Almost surely, 2^1388655162 is an apocalyptic number.

1388655162 is an abundant number, since it is smaller than the sum of its proper divisors (1620815718).

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

1388655162 is a wasteful number, since it uses less digits than its factorization.

1388655162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18418 (or 18415 counting only the distinct ones).

The product of its digits is 345600, while the sum is 45.

The square root of 1388655162 is about 37264.6637177903. The cubic root of 1388655162 is about 1115.6589941669.

The spelling of 1388655162 in words is "one billion, three hundred eighty-eight million, six hundred fifty-five thousand, one hundred sixty-two".