199999031841662 has 16 divisors (see below), whose sum is σ = 304930594776192. Its totient is φ = 98355651196320.

The previous prime is 199999031841599. The next prime is 199999031841809. The reversal of 199999031841662 is 266148130999991.

It is a super-2 number, since 2×199999031841662² (a number of 29 digits) contains 22 as substring.

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, 35075093 + ... + 40376480.

It is an arithmetic number, because the mean of its divisors is an integer number (19058162173512).

Almost surely, 2^{199999031841662} is an apocalyptic number.

199999031841662 is a deficient number, since it is larger than the sum of its proper divisors (104931562934530).

199999031841662 is a wasteful number, since it uses less digits than its factorization.

199999031841662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75473363.

The product of its (nonzero) digits is 408146688, while the sum is 77.

The spelling of 199999031841662 in words is "one hundred ninety-nine trillion, nine hundred ninety-nine billion, thirty-one million, eight hundred forty-one thousand, six hundred sixty-two".