190590853201921 has 8 divisors (see below), whose sum is σ = 190790548429824. Its totient is φ = 190391261960640.

The previous prime is 190590853201877. The next prime is 190590853201981. The reversal of 190590853201921 is 129102358095091.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 190590853201921 - 2⁴⁵ = 155406481113089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (190590853201981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22328785 + ... + 29660686.

It is an arithmetic number, because the mean of its divisors is an integer number (23848818553728).

Almost surely, 2^{190590853201921} is an apocalyptic number.

It is an amenable number.

190590853201921 is a deficient number, since it is larger than the sum of its proper divisors (199695227903).

190590853201921 is a wasteful number, since it uses less digits than its factorization.

190590853201921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51993311.

The product of its (nonzero) digits is 1749600, while the sum is 55.

The spelling of 190590853201921 in words is "one hundred ninety trillion, five hundred ninety billion, eight hundred fifty-three million, two hundred one thousand, nine hundred twenty-one".