56146064165 has 4 divisors (see below), whose sum is σ = 67375277004. Its totient is φ = 44916851328.

The previous prime is 56146064099. The next prime is 56146064179.

56146064165 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 36557822401 + 19588241764 = 191201^2 + 139958^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56146064165 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5614606412 + ... + 5614606421.

It is an arithmetic number, because the mean of its divisors is an integer number (16843819251).

Almost surely, 2^56146064165 is an apocalyptic number.

It is an amenable number.

56146064165 is a deficient number, since it is larger than the sum of its proper divisors (11229212839).

56146064165 is a wasteful number, since it uses less digits than its factorization.

56146064165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11229212838.

The product of its (nonzero) digits is 518400, while the sum is 44.

The spelling of 56146064165 in words is "fifty-six billion, one hundred forty-six million, sixty-four thousand, one hundred sixty-five".