5651418680 has 64 divisors (see below), whose sum is σ = 13101782400. Its totient is φ = 2192573440.

The previous prime is 5651418671. The next prime is 5651418709. The reversal of 5651418680 is 868141565.

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, 273761 + ... + 293679.

It is an arithmetic number, because the mean of its divisors is an integer number (204715350).

Almost surely, 2^5651418680 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 5651418680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6550891200).

5651418680 is an abundant number, since it is smaller than the sum of its proper divisors (7450363720).

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

5651418680 is a wasteful number, since it uses less digits than its factorization.

5651418680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20144 (or 20140 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 44.

The square root of 5651418680 is about 75175.9182185359. The cubic root of 5651418680 is about 1781.2265543564.

The spelling of 5651418680 in words is "five billion, six hundred fifty-one million, four hundred eighteen thousand, six hundred eighty".