194626706856 has 32 divisors (see below), whose sum is σ = 493232069760. Its totient is φ = 63986861952.

The previous prime is 194626706843. The next prime is 194626706873. The reversal of 194626706856 is 658607626491.

It is a super-2 number, since 2×194626706856² (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 194626706856.

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, 55542400 + ... + 55545903.

It is an arithmetic number, because the mean of its divisors is an integer number (15413502180).

Almost surely, 2^194626706856 is an apocalyptic number.

It is an amenable number.

194626706856 is an abundant number, since it is smaller than the sum of its proper divisors (298605362904).

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

194626706856 is a wasteful number, since it uses less digits than its factorization.

194626706856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111088385 (or 111088381 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 60.

The spelling of 194626706856 in words is "one hundred ninety-four billion, six hundred twenty-six million, seven hundred six thousand, eight hundred fifty-six".