190789705108 has 12 divisors (see below), whose sum is σ = 335881278432. Its totient is φ = 94823625560.

The previous prime is 190789704983. The next prime is 190789705123. The reversal of 190789705108 is 801507987091.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142805998 + ... + 142807333.

It is an arithmetic number, because the mean of its divisors is an integer number (27990106536).

Almost surely, 2^190789705108 is an apocalyptic number.

It is an amenable number.

190789705108 is a deficient number, since it is larger than the sum of its proper divisors (145091573324).

190789705108 is a wasteful number, since it uses less digits than its factorization.

190789705108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285613502 (or 285613500 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 55.

The spelling of 190789705108 in words is "one hundred ninety billion, seven hundred eighty-nine million, seven hundred five thousand, one hundred eight".