56667610117144 has 64 divisors (see below), whose sum is σ = 120838535596800. Its totient is φ = 24715727515776.

The previous prime is 56667610117081. The next prime is 56667610117147. The reversal of 56667610117144 is 44171101676665.

It is a super-2 number, since 2×56667610117144² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56667610117147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142515154 + ... + 142912225.

It is an arithmetic number, because the mean of its divisors is an integer number (1888102118700).

Almost surely, 2^{56667610117144} is an apocalyptic number.

It is an amenable number.

56667610117144 is an abundant number, since it is smaller than the sum of its proper divisors (64170925479656).

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

56667610117144 is a wasteful number, since it uses less digits than its factorization.

56667610117144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285427504 (or 285427500 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 55.

The spelling of 56667610117144 in words is "fifty-six trillion, six hundred sixty-seven billion, six hundred ten million, one hundred seventeen thousand, one hundred forty-four".