199151760681188 has 96 divisors (see below), whose sum is σ = 405084201984000. Its totient is φ = 83912374990080.

The previous prime is 199151760681179. The next prime is 199151760681227. The reversal of 199151760681188 is 881186067151991.

It is a super-2 number, since 2×199151760681188² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 250358381 + ... + 251152587.

It is an arithmetic number, because the mean of its divisors is an integer number (4219627104000).

Almost surely, 2^{199151760681188} is an apocalyptic number.

It is an amenable number.

199151760681188 is an abundant number, since it is smaller than the sum of its proper divisors (205932441302812).

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

199151760681188 is a wasteful number, since it uses less digits than its factorization.

199151760681188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794985 (or 794983 counting only the distinct ones).

The product of its (nonzero) digits is 52254720, while the sum is 71.

The spelling of 199151760681188 in words is "one hundred ninety-nine trillion, one hundred fifty-one billion, seven hundred sixty million, six hundred eighty-one thousand, one hundred eighty-eight".