56612164061 has 4 divisors (see below), whose sum is σ = 56805379932. Its totient is φ = 56418948192.

The previous prime is 56612164003. The next prime is 56612164069. The reversal of 56612164061 is 16046121665.

It is a happy number.

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 36626687161 + 19985476900 = 191381^2 + 141370^2 .

It is a cyclic number.

It is not a de Polignac number, because 56612164061 - 2¹⁴ = 56612147677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56612164069) 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 3 ways as a sum of consecutive naturals, for example, 96607496 + ... + 96608081.

It is an arithmetic number, because the mean of its divisors is an integer number (14201344983).

Almost surely, 2^56612164061 is an apocalyptic number.

It is an amenable number.

56612164061 is a deficient number, since it is larger than the sum of its proper divisors (193215871).

56612164061 is a wasteful number, since it uses less digits than its factorization.

56612164061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193215870.

The product of its (nonzero) digits is 51840, while the sum is 38.

The spelling of 56612164061 in words is "fifty-six billion, six hundred twelve million, one hundred sixty-four thousand, sixty-one".