1338161037570 has 96 divisors (see below), whose sum is σ = 4151030198400. Its totient is φ = 305865376992.

The previous prime is 1338161037503. The next prime is 1338161037581. The reversal of 1338161037570 is 757301618331.

1338161037570 is a `hidden beast` number, since 1 + 3 + 38 + 1 + 6 + 10 + 37 + 570 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 50559750 + ... + 50586209.

It is an arithmetic number, because the mean of its divisors is an integer number (43239897900).

Almost surely, 2^{1338161037570} is an apocalyptic number.

1338161037570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1338161037570 is an abundant number, since it is smaller than the sum of its proper divisors (2812869160830).

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

1338161037570 is a wasteful number, since it uses less digits than its factorization.

1338161037570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101145989 (or 101145976 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The spelling of 1338161037570 in words is "one trillion, three hundred thirty-eight billion, one hundred sixty-one million, thirty-seven thousand, five hundred seventy".