190663653226201 has 3 divisors (see below), whose sum is σ = 190663667034303. Its totient is φ = 190663639418100.

The previous prime is 190663653226177. The next prime is 190663653226223. The reversal of 190663653226201 is 102622356366091.

The square root of 190663653226201 is 13808101.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 70051861350601 + 120611791875600 = 8369699^2 + 10982340^2 .

It is not a de Polignac number, because 190663653226201 - 2⁵ = 190663653226169 is a prime.

It is a super-2 number, since 2×190663653226201² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (190663653226601) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 6904051 + ... + 20712151.

It is an arithmetic number, because the mean of its divisors is an integer number (63554555678101).

Almost surely, 2^{190663653226201} is an apocalyptic number.

190663653226201 is the 13808101-st square number.

190663653226201 is the 6904051-st centered octagonal number.

It is an amenable number.

190663653226201 is a deficient number, since it is larger than the sum of its proper divisors (13808102).

190663653226201 is an frugal number, since it uses more digits than its factorization.

190663653226201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27616202 (or 13808101 counting only the distinct ones).

The product of its (nonzero) digits is 4199040, while the sum is 52.

The spelling of 190663653226201 in words is "one hundred ninety trillion, six hundred sixty-three billion, six hundred fifty-three million, two hundred twenty-six thousand, two hundred one".