2154162366 has 12 divisors (see below), whose sum is σ = 4667351832. Its totient is φ = 718054116.

The previous prime is 2154162347. The next prime is 2154162377. The reversal of 2154162366 is 6632614512.

2154162366 is a `hidden beast` number, since 2 + 1 + 5 + 416 + 236 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 2154162366.

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, 59837826 + ... + 59837861.

It is an arithmetic number, because the mean of its divisors is an integer number (388945986).

Almost surely, 2^2154162366 is an apocalyptic number.

2154162366 is an abundant number, since it is smaller than the sum of its proper divisors (2513189466).

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

2154162366 is a wasteful number, since it uses less digits than its factorization.

2154162366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119675695 (or 119675692 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 2154162366 is about 46412.9547217154. The cubic root of 2154162366 is about 1291.4952447325.

Adding to 2154162366 its reverse (6632614512), we get a palindrome (8786776878).

The spelling of 2154162366 in words is "two billion, one hundred fifty-four million, one hundred sixty-two thousand, three hundred sixty-six".