190265205636 has 135 divisors (see below), whose sum is σ = 546967129863. Its totient is φ = 57629951280.

The previous prime is 190265205569. The next prime is 190265205643. The reversal of 190265205636 is 636502562091.

The square root of 190265205636 is 436194.

It is a perfect power (a square), and thus also a powerful number.

190265205636 is a `hidden beast` number, since 1 + 9 + 0 + 2 + 6 + 5 + 2 + 0 + 5 + 636 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 190265205591 and 190265205600.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 86365311 + ... + 86367513.

Almost surely, 2^190265205636 is an apocalyptic number.

190265205636 is the 436194-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 190265205636

190265205636 is an abundant number, since it is smaller than the sum of its proper divisors (356701924227).

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

190265205636 is an equidigital number, since it uses as much as digits as its factorization.

190265205636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4444 (or 2219 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 45.

The spelling of 190265205636 in words is "one hundred ninety billion, two hundred sixty-five million, two hundred five thousand, six hundred thirty-six".