1375161864 has 64 divisors (see below), whose sum is σ = 3481202880. Its totient is φ = 452640000.

The previous prime is 1375161847. The next prime is 1375161871. The reversal of 1375161864 is 4681615731.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1674574 + ... + 1675394.

It is an arithmetic number, because the mean of its divisors is an integer number (54393795).

Almost surely, 2^1375161864 is an apocalyptic number.

It is an amenable number.

1375161864 is an abundant number, since it is smaller than the sum of its proper divisors (2106041016).

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

1375161864 is a wasteful number, since it uses less digits than its factorization.

1375161864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1622 (or 1618 counting only the distinct ones).

The product of its digits is 120960, while the sum is 42.

The square root of 1375161864 is about 37083.1749449801. The cubic root of 1375161864 is about 1112.0336777924.

The spelling of 1375161864 in words is "one billion, three hundred seventy-five million, one hundred sixty-one thousand, eight hundred sixty-four".