56067165606621 has 32 divisors (see below), whose sum is σ = 83608484861440. Its totient is φ = 33197486503104.

The previous prime is 56067165606619. The next prime is 56067165606637. The reversal of 56067165606621 is 12660656176065.

It is not a de Polignac number, because 56067165606621 - 2¹ = 56067165606619 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56067165606721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 249387751 + ... + 249612468.

It is an arithmetic number, because the mean of its divisors is an integer number (2612765151920).

Almost surely, 2^{56067165606621} is an apocalyptic number.

It is an amenable number.

56067165606621 is a deficient number, since it is larger than the sum of its proper divisors (27541319254819).

56067165606621 is a wasteful number, since it uses less digits than its factorization.

56067165606621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499000345.

The product of its (nonzero) digits is 16329600, while the sum is 57.

The spelling of 56067165606621 in words is "fifty-six trillion, sixty-seven billion, one hundred sixty-five million, six hundred six thousand, six hundred twenty-one".