612560545161 has 16 divisors (see below), whose sum is σ = 817191863040. Its totient is φ = 408151537920.

The previous prime is 612560545147. The next prime is 612560545169. The reversal of 612560545161 is 161545065216.

612560545161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 612560545161 - 2¹⁰ = 612560544137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (612560545169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63400671 + ... + 63410331.

It is an arithmetic number, because the mean of its divisors is an integer number (51074491440).

Almost surely, 2^612560545161 is an apocalyptic number.

It is an amenable number.

612560545161 is a deficient number, since it is larger than the sum of its proper divisors (204631317879).

612560545161 is a wasteful number, since it uses less digits than its factorization.

612560545161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18976.

The product of its (nonzero) digits is 216000, while the sum is 42.

The spelling of 612560545161 in words is "six hundred twelve billion, five hundred sixty million, five hundred forty-five thousand, one hundred sixty-one".