2155466454336 has 84 divisors (see below), whose sum is σ = 6653505849172. Its totient is φ = 663220445184.

The previous prime is 2155466454289. The next prime is 2155466454373. The reversal of 2155466454336 is 6334546645512.

2155466454336 is a `hidden beast` number, since 2 + 1 + 5 + 5 + 4 + 6 + 64 + 543 + 36 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 518192660736 + 1637273793600 = 719856^2 + 1279560^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 143920561 + ... + 143935536.

Almost surely, 2^{2155466454336} is an apocalyptic number.

2155466454336 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2155466454336 is an abundant number, since it is smaller than the sum of its proper divisors (4498039394836).

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

2155466454336 is a wasteful number, since it uses less digits than its factorization.

2155466454336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287856128 (or 287856115 counting only the distinct ones).

The product of its digits is 31104000, while the sum is 54.

The spelling of 2155466454336 in words is "two trillion, one hundred fifty-five billion, four hundred sixty-six million, four hundred fifty-four thousand, three hundred thirty-six".