1836742179672 has 128 divisors (see below), whose sum is σ = 5209716657600. Its totient is φ = 599379416064.

The previous prime is 1836742179637. The next prime is 1836742179719. The reversal of 1836742179672 is 2769712476381.

1836742179672 is a `hidden beast` number, since 1 + 8 + 367 + 42 + 179 + 67 + 2 = 666.

It is a congruent number.

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, 5056198 + ... + 5407274.

Almost surely, 2^{1836742179672} is an apocalyptic number.

1836742179672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1836742179672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2604858328800).

1836742179672 is an abundant number, since it is smaller than the sum of its proper divisors (3372974477928).

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

1836742179672 is a wasteful number, since it uses less digits than its factorization.

1836742179672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351602 (or 351592 counting only the distinct ones).

The product of its digits is 42674688, while the sum is 63.

The spelling of 1836742179672 in words is "one trillion, eight hundred thirty-six billion, seven hundred forty-two million, one hundred seventy-nine thousand, six hundred seventy-two".