1656115166 has 8 divisors (see below), whose sum is σ = 2485143720. Its totient is φ = 827733928.

The previous prime is 1656115141. The next prime is 1656115177. The reversal of 1656115166 is 6615116561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155381 + ... + 165696.

It is an arithmetic number, because the mean of its divisors is an integer number (310642965).

Almost surely, 2^1656115166 is an apocalyptic number.

1656115166 is a deficient number, since it is larger than the sum of its proper divisors (829028554).

1656115166 is a wasteful number, since it uses less digits than its factorization.

1656115166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323658.

The product of its digits is 32400, while the sum is 38.

The square root of 1656115166 is about 40695.3948991775. The cubic root of 1656115166 is about 1183.1237653255.

The spelling of 1656115166 in words is "one billion, six hundred fifty-six million, one hundred fifteen thousand, one hundred sixty-six".