5671070156666 has 4 divisors (see below), whose sum is σ = 8506605235002. Its totient is φ = 2835535078332.

The previous prime is 5671070156611. The next prime is 5671070156671. The reversal of 5671070156666 is 6666510701765.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3890657625625 + 1780412531041 = 1972475^2 + 1334321^2 .

It is a super-2 number, since 2×5671070156666² (a number of 26 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1417767539165 + ... + 1417767539168.

Almost surely, 2^{5671070156666} is an apocalyptic number.

5671070156666 is a deficient number, since it is larger than the sum of its proper divisors (2835535078336).

5671070156666 is a wasteful number, since it uses less digits than its factorization.

5671070156666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2835535078335.

The product of its (nonzero) digits is 9525600, while the sum is 56.

The spelling of 5671070156666 in words is "five trillion, six hundred seventy-one billion, seventy million, one hundred fifty-six thousand, six hundred sixty-six".