190198913156 has 48 divisors (see below), whose sum is σ = 384930766080. Its totient is φ = 80545699200.

The previous prime is 190198913153. The next prime is 190198913161. The reversal of 190198913156 is 651319891091.

It is a junction number, because it is equal to n+sod(n) for n = 190198913098 and 190198913107.

It is not an unprimeable number, because it can be changed into a prime (190198913153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1355630 + ... + 1489338.

It is an arithmetic number, because the mean of its divisors is an integer number (8019390960).

Almost surely, 2^190198913156 is an apocalyptic number.

It is an amenable number.

190198913156 is an abundant number, since it is smaller than the sum of its proper divisors (194731852924).

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

190198913156 is a wasteful number, since it uses less digits than its factorization.

190198913156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134324 (or 134322 counting only the distinct ones).

The product of its (nonzero) digits is 524880, while the sum is 53.

The spelling of 190198913156 in words is "one hundred ninety billion, one hundred ninety-eight million, nine hundred thirteen thousand, one hundred fifty-six".