479999999506161 has 4 divisors (see below), whose sum is σ = 639999999341552. Its totient is φ = 319999999670772.

The previous prime is 479999999506147. The next prime is 479999999506177. The reversal of 479999999506161 is 161605999999974.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 479999999506161 - 2⁷ = 479999999506033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (479999999506061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79999999917691 + ... + 79999999917696.

It is an arithmetic number, because the mean of its divisors is an integer number (159999999835388).

Almost surely, 2^{479999999506161} is an apocalyptic number.

It is an amenable number.

479999999506161 is a deficient number, since it is larger than the sum of its proper divisors (159999999835391).

479999999506161 is a wasteful number, since it uses less digits than its factorization.

479999999506161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159999999835390.

The product of its (nonzero) digits is 24106163760, while the sum is 93.

The spelling of 479999999506161 in words is "four hundred seventy-nine trillion, nine hundred ninety-nine billion, nine hundred ninety-nine million, five hundred six thousand, one hundred sixty-one".