198785382552 has 32 divisors (see below), whose sum is σ = 552181618800. Its totient is φ = 66261794112.

The previous prime is 198785382541. The next prime is 198785382563. The reversal of 198785382552 is 255283587891.

198785382552 is a `hidden beast` number, since 1 + 9 + 8 + 78 + 5 + 3 + 8 + 2 + 552 = 666.

It is an interprime number because it is at equal distance from previous prime (198785382541) and next prime (198785382563).

It is a self number, because there is not a number n which added to its sum of digits gives 198785382552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 460151133 + ... + 460151564.

Almost surely, 2^198785382552 is an apocalyptic number.

198785382552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

198785382552 is an abundant number, since it is smaller than the sum of its proper divisors (353396236248).

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

198785382552 is a wasteful number, since it uses less digits than its factorization.

198785382552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920302712 (or 920302702 counting only the distinct ones).

The product of its digits is 48384000, while the sum is 63.

The spelling of 198785382552 in words is "one hundred ninety-eight billion, seven hundred eighty-five million, three hundred eighty-two thousand, five hundred fifty-two".