3471666660 has 324 divisors, whose sum is σ = 13469041404. Its totient is φ = 721163520.

The previous prime is 3471666659. The next prime is 3471666683. The reversal of 3471666660 is 666661743.

It can be written as a sum of positive squares in 2 ways, for example, as 2677441536 + 794225124 = 51744^2 + 28182^2 .

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 107 ways as a sum of consecutive naturals, for example, 1065594 + ... + 1068846.

Almost surely, 2^3471666660 is an apocalyptic number.

3471666660 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3471666660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6734520702).

3471666660 is an abundant number, since it is smaller than the sum of its proper divisors (9997374744).

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

3471666660 is a wasteful number, since it uses less digits than its factorization.

3471666660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3304 (or 3281 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 45.

The square root of 3471666660 is about 58920.8508085211. The cubic root of 3471666660 is about 1514.1863945013.

The spelling of 3471666660 in words is "three billion, four hundred seventy-one million, six hundred sixty-six thousand, six hundred sixty".