1818957332192 has 576 divisors, whose sum is σ = 5013685252800. Its totient is φ = 638317854720.

The previous prime is 1818957332161. The next prime is 1818957332197. The reversal of 1818957332192 is 2912337598181.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1818957332197) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3196761284 + ... + 3196761852.

It is an arithmetic number, because the mean of its divisors is an integer number (8704314675).

Almost surely, 2^{1818957332192} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1818957332192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2506842626400).

1818957332192 is an abundant number, since it is smaller than the sum of its proper divisors (3194727920608).

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

1818957332192 is a wasteful number, since it uses less digits than its factorization.

1818957332192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 939 (or 924 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 59.

The spelling of 1818957332192 in words is "one trillion, eight hundred eighteen billion, nine hundred fifty-seven million, three hundred thirty-two thousand, one hundred ninety-two".