2164038557 has 8 divisors (see below), whose sum is σ = 2176675200. Its totient is φ = 2151436464.

The previous prime is 2164038529. The next prime is 2164038581. The reversal of 2164038557 is 7558304612.

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 2164038557 - 2²⁶ = 2096929693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2164038517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122744 + ... + 139262.

It is an arithmetic number, because the mean of its divisors is an integer number (272084400).

Almost surely, 2^2164038557 is an apocalyptic number.

It is an amenable number.

2164038557 is a deficient number, since it is larger than the sum of its proper divisors (12636643).

2164038557 is a wasteful number, since it uses less digits than its factorization.

2164038557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17275.

The product of its (nonzero) digits is 201600, while the sum is 41.

The square root of 2164038557 is about 46519.2278203325. The cubic root of 2164038557 is about 1293.4659427492.

The spelling of 2164038557 in words is "two billion, one hundred sixty-four million, thirty-eight thousand, five hundred fifty-seven".