56642436166 has 8 divisors (see below), whose sum is σ = 87893435520. Its totient is φ = 27344624328.

The previous prime is 56642436101. The next prime is 56642436167. The reversal of 56642436166 is 66163424665.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56642436167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 488296806 + ... + 488296921.

It is an arithmetic number, because the mean of its divisors is an integer number (10986679440).

Almost surely, 2^56642436166 is an apocalyptic number.

56642436166 is a deficient number, since it is larger than the sum of its proper divisors (31250999354).

56642436166 is a wasteful number, since it uses less digits than its factorization.

56642436166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 976593758.

The product of its digits is 3732480, while the sum is 49.

The spelling of 56642436166 in words is "fifty-six billion, six hundred forty-two million, four hundred thirty-six thousand, one hundred sixty-six".