2164553603 has 8 divisors (see below), whose sum is σ = 2192025600. Its totient is φ = 2137151808.

The previous prime is 2164553593. The next prime is 2164553609. The reversal of 2164553603 is 3063554612.

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

It is a cyclic number.

It is not a de Polignac number, because 2164553603 - 2²⁴ = 2147776387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2164553609) 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, 45950 + ... + 80252.

It is an arithmetic number, because the mean of its divisors is an integer number (274003200).

Almost surely, 2^2164553603 is an apocalyptic number.

2164553603 is a deficient number, since it is larger than the sum of its proper divisors (27471997).

2164553603 is an equidigital number, since it uses as much as digits as its factorization.

2164553603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35101.

The product of its (nonzero) digits is 64800, while the sum is 35.

The square root of 2164553603 is about 46524.7633309402. The cubic root of 2164553603 is about 1293.5685505351.

The spelling of 2164553603 in words is "two billion, one hundred sixty-four million, five hundred fifty-three thousand, six hundred three".