371998197516 has 24 divisors (see below), whose sum is σ = 946904503104. Its totient is φ = 112726726480.

The previous prime is 371998197509. The next prime is 371998197517. The reversal of 371998197516 is 615791899173.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is not an unprimeable number, because it can be changed into a prime (371998197517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1409083950 + ... + 1409084213.

It is an arithmetic number, because the mean of its divisors is an integer number (39454354296).

Almost surely, 2^371998197516 is an apocalyptic number.

It is an amenable number.

371998197516 is an abundant number, since it is smaller than the sum of its proper divisors (574906305588).

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

371998197516 is a wasteful number, since it uses less digits than its factorization.

371998197516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2818168181 (or 2818168179 counting only the distinct ones).

The product of its digits is 25719120, while the sum is 66.

The spelling of 371998197516 in words is "three hundred seventy-one billion, nine hundred ninety-eight million, one hundred ninety-seven thousand, five hundred sixteen".