1838718713156 has 96 divisors (see below), whose sum is σ = 3654985420800. Its totient is φ = 803390515200.

The previous prime is 1838718713137. The next prime is 1838718713179. The reversal of 1838718713156 is 6513178178381.

It is a super-2 number, since 2×1838718713156² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1838718713095 and 1838718713104.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 193117676 + ... + 193127196.

It is an arithmetic number, because the mean of its divisors is an integer number (38072764800).

Almost surely, 2^{1838718713156} is an apocalyptic number.

It is an amenable number.

1838718713156 is a deficient number, since it is larger than the sum of its proper divisors (1816266707644).

1838718713156 is a wasteful number, since it uses less digits than its factorization.

1838718713156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12165 (or 12163 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 59.

The spelling of 1838718713156 in words is "one trillion, eight hundred thirty-eight billion, seven hundred eighteen million, seven hundred thirteen thousand, one hundred fifty-six".