198057736850 has 48 divisors (see below), whose sum is σ = 384934612608. Its totient is φ = 75674058240.

The previous prime is 198057736823. The next prime is 198057736867. The reversal of 198057736850 is 58637750891.

It is a super-2 number, since 2×198057736850² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 198057736850.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 717602 + ... + 954498.

It is an arithmetic number, because the mean of its divisors is an integer number (8019471096).

Almost surely, 2^198057736850 is an apocalyptic number.

198057736850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

198057736850 is a deficient number, since it is larger than the sum of its proper divisors (186876875758).

198057736850 is a wasteful number, since it uses less digits than its factorization.

198057736850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237659 (or 237654 counting only the distinct ones).

The product of its (nonzero) digits is 12700800, while the sum is 59.

The spelling of 198057736850 in words is "one hundred ninety-eight billion, fifty-seven million, seven hundred thirty-six thousand, eight hundred fifty".