5394615660 has 384 divisors, whose sum is σ = 20850278400. Its totient is φ = 1130008320.

The previous prime is 5394615659. The next prime is 5394615727. The reversal of 5394615660 is 665164935.

5394615660 is a `hidden beast` number, since 539 + 4 + 6 + 1 + 56 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2225209 + ... + 2227631.

It is an arithmetic number, because the mean of its divisors is an integer number (54297600).

Almost surely, 2^5394615660 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 5394615660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10425139200).

5394615660 is an abundant number, since it is smaller than the sum of its proper divisors (15455662740).

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

5394615660 is a wasteful number, since it uses less digits than its factorization.

5394615660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2498 (or 2490 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 45.

The square root of 5394615660 is about 73448.0473532142. The cubic root of 5394615660 is about 1753.8273413974.

The spelling of 5394615660 in words is "five billion, three hundred ninety-four million, six hundred fifteen thousand, six hundred sixty".