2166432154353 has 8 divisors (see below), whose sum is σ = 3209529117600. Its totient is φ = 1444288102884.

The previous prime is 2166432154339. The next prime is 2166432154451. The reversal of 2166432154353 is 3534512346612.

2166432154353 is a `hidden beast` number, since 2 + 1 + 66 + 43 + 2 + 1 + 543 + 5 + 3 = 666.

It is not a de Polignac number, because 2166432154353 - 2²² = 2166427960049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2166432154299 and 2166432154308.

It is not an unprimeable number, because it can be changed into a prime (2166432154153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40119113943 + ... + 40119113996.

It is an arithmetic number, because the mean of its divisors is an integer number (401191139700).

Almost surely, 2^{2166432154353} is an apocalyptic number.

It is an amenable number.

2166432154353 is a deficient number, since it is larger than the sum of its proper divisors (1043096963247).

2166432154353 is an equidigital number, since it uses as much as digits as its factorization.

2166432154353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80238227948 (or 80238227942 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 45.

The spelling of 2166432154353 in words is "two trillion, one hundred sixty-six billion, four hundred thirty-two million, one hundred fifty-four thousand, three hundred fifty-three".