190706656 has 96 divisors (see below), whose sum is σ = 443342592. Its totient is φ = 79073280.

The previous prime is 190706651. The next prime is 190706657. The reversal of 190706656 is 656607091.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190706651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1455711 + ... + 1455841.

It is an arithmetic number, because the mean of its divisors is an integer number (4618152).

Almost surely, 2^190706656 is an apocalyptic number.

190706656 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 190706656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221671296).

190706656 is an abundant number, since it is smaller than the sum of its proper divisors (252635936).

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

190706656 is a wasteful number, since it uses less digits than its factorization.

190706656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312 (or 304 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 190706656 is about 13809.6580696265. The cubic root of 190706656 is about 575.6015441279.

The spelling of 190706656 in words is "one hundred ninety million, seven hundred six thousand, six hundred fifty-six".