5656062161021 has 8 divisors (see below), whose sum is σ = 5954022177600. Its totient is φ = 5358129397920.

The previous prime is 5656062160997. The next prime is 5656062161027. The reversal of 5656062161021 is 1201612606565.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5656062161021 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5656062161021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5656062161027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6386681 + ... + 7218158.

It is an arithmetic number, because the mean of its divisors is an integer number (744252772200).

Almost surely, 2^{5656062161021} is an apocalyptic number.

It is an amenable number.

5656062161021 is a deficient number, since it is larger than the sum of its proper divisors (297960016579).

5656062161021 is a wasteful number, since it uses less digits than its factorization.

5656062161021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13626739.

The product of its (nonzero) digits is 129600, while the sum is 41.

Adding to 5656062161021 its reverse (1201612606565), we get a palindrome (6857674767586).

The spelling of 5656062161021 in words is "five trillion, six hundred fifty-six billion, sixty-two million, one hundred sixty-one thousand, twenty-one".