199029500156 has 6 divisors (see below), whose sum is σ = 348301625280. Its totient is φ = 99514750076.

The previous prime is 199029500147. The next prime is 199029500179. The reversal of 199029500156 is 651005920991.

It is a super-2 number, since 2×199029500156² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 199029500156.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24878687516 + ... + 24878687523.

It is an arithmetic number, because the mean of its divisors is an integer number (58050270880).

Almost surely, 2^199029500156 is an apocalyptic number.

It is an amenable number.

199029500156 is a deficient number, since it is larger than the sum of its proper divisors (149272125124).

199029500156 is a wasteful number, since it uses less digits than its factorization.

199029500156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49757375043 (or 49757375041 counting only the distinct ones).

The product of its (nonzero) digits is 218700, while the sum is 47.

The spelling of 199029500156 in words is "one hundred ninety-nine billion, twenty-nine million, five hundred thousand, one hundred fifty-six".