56666500057476 has 192 divisors, whose sum is σ = 151532014233600. Its totient is φ = 18302217639552.

The previous prime is 56666500057471. The next prime is 56666500057477. The reversal of 56666500057476 is 67475000566665.

It is a super-2 number, since 2×56666500057476² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56666500057471) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 824289561 + ... + 824358303.

It is an arithmetic number, because the mean of its divisors is an integer number (789229240800).

Almost surely, 2^{56666500057476} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56666500057476, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75766007116800).

56666500057476 is an abundant number, since it is smaller than the sum of its proper divisors (94865514176124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56666500057476 is a wasteful number, since it uses less digits than its factorization.

56666500057476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70215 (or 70207 counting only the distinct ones).

The product of its (nonzero) digits is 190512000, while the sum is 63.

The spelling of 56666500057476 in words is "fifty-six trillion, six hundred sixty-six billion, five hundred million, fifty-seven thousand, four hundred seventy-six".