194102662656 has 320 divisors, whose sum is σ = 613053619200. Its totient is φ = 53396668416.

The previous prime is 194102662613. The next prime is 194102662667. The reversal of 194102662656 is 656266201491.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 158709661 + ... + 158710883.

It is an arithmetic number, because the mean of its divisors is an integer number (1915792560).

Almost surely, 2^194102662656 is an apocalyptic number.

194102662656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 194102662656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (306526809600).

194102662656 is an abundant number, since it is smaller than the sum of its proper divisors (418950956544).

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

194102662656 is a wasteful number, since it uses less digits than its factorization.

194102662656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1789 (or 1773 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 48.

The spelling of 194102662656 in words is "one hundred ninety-four billion, one hundred two million, six hundred sixty-two thousand, six hundred fifty-six".