199257913200 has 60 divisors (see below), whose sum is σ = 638289519128. Its totient is φ = 53135443200.

The previous prime is 199257913199. The next prime is 199257913289. The reversal of 199257913200 is 2319752991.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 199257913200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83022931 + ... + 83025330.

Almost surely, 2^199257913200 is an apocalyptic number.

199257913200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

199257913200 is an abundant number, since it is smaller than the sum of its proper divisors (439031605928).

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

199257913200 is a wasteful number, since it uses less digits than its factorization.

199257913200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166048282 (or 166048271 counting only the distinct ones).

The product of its (nonzero) digits is 306180, while the sum is 48.

The spelling of 199257913200 in words is "one hundred ninety-nine billion, two hundred fifty-seven million, nine hundred thirteen thousand, two hundred".