165146186616 has 16 divisors (see below), whose sum is σ = 412865466600. Its totient is φ = 55048728864.

The previous prime is 165146186591. The next prime is 165146186657. The reversal of 165146186616 is 616681641561.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3440545531 + ... + 3440545578.

Almost surely, 2^165146186616 is an apocalyptic number.

It is an amenable number.

165146186616 is an abundant number, since it is smaller than the sum of its proper divisors (247719279984).

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

165146186616 is a wasteful number, since it uses less digits than its factorization.

165146186616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6881091118 (or 6881091114 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 51.

The spelling of 165146186616 in words is "one hundred sixty-five billion, one hundred forty-six million, one hundred eighty-six thousand, six hundred sixteen".