2141664455 has 32 divisors (see below), whose sum is σ = 2978930304. Its totient is φ = 1447796736.

The previous prime is 2141664383. The next prime is 2141664487. The reversal of 2141664455 is 5544661412.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2141664455 - 2¹⁰ = 2141663431 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 993659 + ... + 995811.

It is an arithmetic number, because the mean of its divisors is an integer number (93091572).

Almost surely, 2^2141664455 is an apocalyptic number.

2141664455 is a deficient number, since it is larger than the sum of its proper divisors (837265849).

2141664455 is a wasteful number, since it uses less digits than its factorization.

2141664455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2555.

The product of its digits is 115200, while the sum is 38.

The square root of 2141664455 is about 46278.1206943411. The cubic root of 2141664455 is about 1288.9927547905.

The spelling of 2141664455 in words is "two billion, one hundred forty-one million, six hundred sixty-four thousand, four hundred fifty-five".