190479437161 has 8 divisors (see below), whose sum is σ = 206265028424. Its totient is φ = 174855749760.

The previous prime is 190479437153. The next prime is 190479437231. The reversal of 190479437161 is 161734974091.

It can be written as a sum of positive squares in 4 ways, for example, as 6180947161 + 184298490000 = 78619^2 + 429300^2 .

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 190479437161 - 2³ = 190479437153 is a prime.

It is the 436440-th Hogben number.

It is a junction number, because it is equal to n+sod(n) for n = 190479437099 and 190479437108.

It is not an unprimeable number, because it can be changed into a prime (190479432161) by changing a digit.

It is a nontrivial repunit in base 436439.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40473516 + ... + 40478221.

It is an arithmetic number, because the mean of its divisors is an integer number (25783128553).

Almost surely, 2^190479437161 is an apocalyptic number.

It is an amenable number.

190479437161 is a deficient number, since it is larger than the sum of its proper divisors (15785591263).

190479437161 is a wasteful number, since it uses less digits than its factorization.

190479437161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80951931.

The product of its (nonzero) digits is 1143072, while the sum is 52.

The spelling of 190479437161 in words is "one hundred ninety billion, four hundred seventy-nine million, four hundred thirty-seven thousand, one hundred sixty-one".