190811480856 has 16 divisors (see below), whose sum is σ = 477028702200. Its totient is φ = 63603826944.

The previous prime is 190811480819. The next prime is 190811480941. The reversal of 190811480856 is 658084118091.

It is a junction number, because it is equal to n+sod(n) for n = 190811480799 and 190811480808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3975239161 + ... + 3975239208.

Almost surely, 2^190811480856 is an apocalyptic number.

It is an amenable number.

190811480856 is an abundant number, since it is smaller than the sum of its proper divisors (286217221344).

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

190811480856 is a wasteful number, since it uses less digits than its factorization.

190811480856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7950478378 (or 7950478374 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 51.

The spelling of 190811480856 in words is "one hundred ninety billion, eight hundred eleven million, four hundred eighty thousand, eight hundred fifty-six".