3161666526 has 16 divisors (see below), whose sum is σ = 6598260864. Its totient is φ = 1008067544.

The previous prime is 3161666513. The next prime is 3161666587. The reversal of 3161666526 is 6256661613.

It is a super-3 number, since 3×3161666526³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11455176 + ... + 11455451.

It is an arithmetic number, because the mean of its divisors is an integer number (412391304).

Almost surely, 2^3161666526 is an apocalyptic number.

3161666526 is an abundant number, since it is smaller than the sum of its proper divisors (3436594338).

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

3161666526 is a wasteful number, since it uses less digits than its factorization.

3161666526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22910655.

The product of its digits is 233280, while the sum is 42.

The square root of 3161666526 is about 56228.6984199350. The cubic root of 3161666526 is about 1467.7047070792.

The spelling of 3161666526 in words is "three billion, one hundred sixty-one million, six hundred sixty-six thousand, five hundred twenty-six".