56746141680 has 80 divisors (see below), whose sum is σ = 175970344320. Its totient is φ = 15127375104.

The previous prime is 56746141667. The next prime is 56746141691. The reversal of 56746141680 is 8614164765.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 731811 + ... + 805629.

It is an arithmetic number, because the mean of its divisors is an integer number (2199629304).

Almost surely, 2^56746141680 is an apocalyptic number.

It is an amenable number.

56746141680 is an abundant number, since it is smaller than the sum of its proper divisors (119224202640).

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

56746141680 is a wasteful number, since it uses less digits than its factorization.

56746141680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77038 (or 77032 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 48.

The spelling of 56746141680 in words is "fifty-six billion, seven hundred forty-six million, one hundred forty-one thousand, six hundred eighty".