5671985166 has 12 divisors (see below), whose sum is σ = 12289301232. Its totient is φ = 1890661716.

The previous prime is 5671985147. The next prime is 5671985183. The reversal of 5671985166 is 6615891765.

5671985166 is a `hidden beast` number, since 56 + 71 + 9 + 8 + 516 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 157555126 + ... + 157555161.

It is an arithmetic number, because the mean of its divisors is an integer number (1024108436).

Almost surely, 2^5671985166 is an apocalyptic number.

5671985166 is an abundant number, since it is smaller than the sum of its proper divisors (6617316066).

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

5671985166 is a wasteful number, since it uses less digits than its factorization.

5671985166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315110295 (or 315110292 counting only the distinct ones).

The product of its digits is 2721600, while the sum is 54.

The square root of 5671985166 is about 75312.5830522364. The cubic root of 5671985166 is about 1783.3846686322.

The spelling of 5671985166 in words is "five billion, six hundred seventy-one million, nine hundred eighty-five thousand, one hundred sixty-six".