2164553635 has 8 divisors (see below), whose sum is σ = 2598764256. Its totient is φ = 1730776320.

The previous prime is 2164553609. The next prime is 2164553639. The reversal of 2164553635 is 5363554612.

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

It is not a de Polignac number, because 2164553635 - 2¹⁵ = 2164520867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2164553639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97231 + ... + 117400.

It is an arithmetic number, because the mean of its divisors is an integer number (324845532).

Almost surely, 2^2164553635 is an apocalyptic number.

2164553635 is a deficient number, since it is larger than the sum of its proper divisors (434210621).

2164553635 is a wasteful number, since it uses less digits than its factorization.

2164553635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216653.

The product of its digits is 324000, while the sum is 40.

The square root of 2164553635 is about 46524.7636748431. The cubic root of 2164553635 is about 1293.5685569096.

The spelling of 2164553635 in words is "two billion, one hundred sixty-four million, five hundred fifty-three thousand, six hundred thirty-five".