612450265161 has 16 divisors (see below), whose sum is σ = 933303168000. Its totient is φ = 349954472208.

The previous prime is 612450265157. The next prime is 612450265187. The reversal of 612450265161 is 161562054216.

It is not a de Polignac number, because 612450265161 - 2² = 612450265157 is a prime.

It is not an unprimeable number, because it can be changed into a prime (612450255161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 266511 + ... + 1138388.

It is an arithmetic number, because the mean of its divisors is an integer number (58331448000).

Almost surely, 2^612450265161 is an apocalyptic number.

It is an amenable number.

612450265161 is a deficient number, since it is larger than the sum of its proper divisors (320852902839).

612450265161 is a wasteful number, since it uses less digits than its factorization.

612450265161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425668.

The product of its (nonzero) digits is 86400, while the sum is 39.

The spelling of 612450265161 in words is "six hundred twelve billion, four hundred fifty million, two hundred sixty-five thousand, one hundred sixty-one".