18190630376982 has 48 divisors (see below), whose sum is σ = 45166200049152. Its totient is φ = 5183161308720.

The previous prime is 18190630376981. The next prime is 18190630377011. The reversal of 18190630376982 is 28967303609181.

18190630376982 is a `hidden beast` number, since 1 + 8 + 190 + 6 + 303 + 7 + 69 + 82 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18190630376981) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 196643244 + ... + 196735727.

It is an arithmetic number, because the mean of its divisors is an integer number (940962501024).

Almost surely, 2^{18190630376982} is an apocalyptic number.

18190630376982 is an abundant number, since it is smaller than the sum of its proper divisors (26975569672170).

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

18190630376982 is a wasteful number, since it uses less digits than its factorization.

18190630376982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393379353 (or 393379350 counting only the distinct ones).

The product of its (nonzero) digits is 23514624, while the sum is 63.

The spelling of 18190630376982 in words is "eighteen trillion, one hundred ninety billion, six hundred thirty million, three hundred seventy-six thousand, nine hundred eighty-two".