102198237587244 has 288 divisors, whose sum is σ = 281361778274304. Its totient is φ = 31183813140480.

The previous prime is 102198237587189. The next prime is 102198237587269. The reversal of 102198237587244 is 442785732891201.

102198237587244 is a `hidden beast` number, since 1 + 0 + 2 + 1 + 9 + 8 + 2 + 3 + 7 + 587 + 2 + 44 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1284874644 + ... + 1284954180.

It is an arithmetic number, because the mean of its divisors is an integer number (976950619008).

Almost surely, 2^{102198237587244} 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 102198237587244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140680889137152).

102198237587244 is an abundant number, since it is smaller than the sum of its proper divisors (179163540687060).

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

102198237587244 is a wasteful number, since it uses less digits than its factorization.

102198237587244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80157 (or 80152 counting only the distinct ones).

The product of its (nonzero) digits is 54190080, while the sum is 63.

The spelling of 102198237587244 in words is "one hundred two trillion, one hundred ninety-eight billion, two hundred thirty-seven million, five hundred eighty-seven thousand, two hundred forty-four".