1838137146860 has 48 divisors (see below), whose sum is σ = 4422641450304. Its totient is φ = 628630979328.

The previous prime is 1838137146803. The next prime is 1838137146949. The reversal of 1838137146860 is 686417318381.

It is a junction number, because it is equal to n+sod(n) for n = 1838137146796 and 1838137146805.

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, 16480379 + ... + 16591538.

It is an arithmetic number, because the mean of its divisors is an integer number (92138363548).

Almost surely, 2^{1838137146860} is an apocalyptic number.

1838137146860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1838137146860 is an abundant number, since it is smaller than the sum of its proper divisors (2584504303444).

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

1838137146860 is a wasteful number, since it uses less digits than its factorization.

1838137146860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33072330 (or 33072328 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 56.

The spelling of 1838137146860 in words is "one trillion, eight hundred thirty-eight billion, one hundred thirty-seven million, one hundred forty-six thousand, eight hundred sixty".