3716668520 has 64 divisors (see below), whose sum is σ = 8880354000. Its totient is φ = 1395118080.

The previous prime is 3716668519. The next prime is 3716668547. The reversal of 3716668520 is 258666173.

It can be written as a sum of positive squares in 8 ways, for example, as 3502982596 + 213685924 = 59186^2 + 14618^2 .

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, 229490 + ... + 245150.

Almost surely, 2^3716668520 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 3716668520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4440177000).

3716668520 is an abundant number, since it is smaller than the sum of its proper divisors (5163685480).

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

3716668520 is a wasteful number, since it uses less digits than its factorization.

3716668520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16038 (or 16034 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 44.

The square root of 3716668520 is about 60964.4857273479. The cubic root of 3716668520 is about 1548.9994958462. Note that the first 3 decimals are identical.

The spelling of 3716668520 in words is "three billion, seven hundred sixteen million, six hundred sixty-eight thousand, five hundred twenty".