56566162621402 has 64 divisors (see below), whose sum is σ = 102691202181120. Its totient is φ = 22827974399424.

The previous prime is 56566162621393. The next prime is 56566162621439. The reversal of 56566162621402 is 20412626166565.

56566162621402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 56566162621402.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 177608433 + ... + 177926635.

It is an arithmetic number, because the mean of its divisors is an integer number (1604550034080).

Almost surely, 2^{56566162621402} is an apocalyptic number.

56566162621402 is a deficient number, since it is larger than the sum of its proper divisors (46125039559718).

56566162621402 is a wasteful number, since it uses less digits than its factorization.

56566162621402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322267.

The product of its (nonzero) digits is 6220800, while the sum is 52.

Adding to 56566162621402 its reverse (20412626166565), we get a palindrome (76978788787967).

The spelling of 56566162621402 in words is "fifty-six trillion, five hundred sixty-six billion, one hundred sixty-two million, six hundred twenty-one thousand, four hundred two".