165476361961 has 8 divisors (see below), whose sum is σ = 165850516800. Its totient is φ = 165102614640.

The previous prime is 165476361901. The next prime is 165476362133. The reversal of 165476361961 is 169163674561.

165476361961 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-165476361961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (165476361901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 718596 + ... + 920506.

It is an arithmetic number, because the mean of its divisors is an integer number (20731314600).

Almost surely, 2^165476361961 is an apocalyptic number.

It is an amenable number.

165476361961 is a deficient number, since it is larger than the sum of its proper divisors (374154839).

165476361961 is a wasteful number, since it uses less digits than its factorization.

165476361961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203759.

The product of its digits is 4898880, while the sum is 55.

The spelling of 165476361961 in words is "one hundred sixty-five billion, four hundred seventy-six million, three hundred sixty-one thousand, nine hundred sixty-one".