194763137856 has 112 divisors (see below), whose sum is σ = 623569447296. Its totient is φ = 52373274624.

The previous prime is 194763137831. The next prime is 194763137903. The reversal of 194763137856 is 658731367491.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (112).

It is a self number, because there is not a number n which added to its sum of digits gives 194763137856.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4239301 + ... + 4284996.

Almost surely, 2^194763137856 is an apocalyptic number.

194763137856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

194763137856 is an abundant number, since it is smaller than the sum of its proper divisors (428806309440).

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

194763137856 is a wasteful number, since it uses less digits than its factorization.

194763137856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8524336 (or 8524326 counting only the distinct ones).

The product of its digits is 22861440, while the sum is 60.

The spelling of 194763137856 in words is "one hundred ninety-four billion, seven hundred sixty-three million, one hundred thirty-seven thousand, eight hundred fifty-six".