5540166720 has 784 divisors, whose sum is σ = 23027079168. Its totient is φ = 1254113280.

The previous prime is 5540166683. The next prime is 5540166727. The reversal of 5540166720 is 276610455.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (5540166727) by changing a digit.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 43623297 + ... + 43623423.

Almost surely, 2^5540166720 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 5540166720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11513539584).

5540166720 is an abundant number, since it is smaller than the sum of its proper divisors (17486912448).

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

5540166720 is a wasteful number, since it uses less digits than its factorization.

5540166720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190 (or 165 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 5540166720 is about 74432.2962160916. The cubic root of 5540166720 is about 1769.4607952502.

The spelling of 5540166720 in words is "five billion, five hundred forty million, one hundred sixty-six thousand, seven hundred twenty".