190707634656 has 576 divisors, whose sum is σ = 720967080960. Its totient is φ = 48474961920.

The previous prime is 190707634619. The next prime is 190707634723. The reversal of 190707634656 is 656436707091.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 21883356 + ... + 21892068.

It is an arithmetic number, because the mean of its divisors is an integer number (1251678960).

Almost surely, 2^190707634656 is an apocalyptic number.

190707634656 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 190707634656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (360483540480).

190707634656 is an abundant number, since it is smaller than the sum of its proper divisors (530259446304).

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

190707634656 is a wasteful number, since it uses less digits than its factorization.

190707634656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8804 (or 8783 counting only the distinct ones).

The product of its (nonzero) digits is 5715360, while the sum is 54.

The spelling of 190707634656 in words is "one hundred ninety billion, seven hundred seven million, six hundred thirty-four thousand, six hundred fifty-six".