2164140562 has 8 divisors (see below), whose sum is σ = 3437164476. Its totient is φ = 1018419072.

The previous prime is 2164140557. The next prime is 2164140569. The reversal of 2164140562 is 2650414612.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2164017361 + 123201 = 46519^2 + 351^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2164140569) 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 3 ways as a sum of consecutive naturals, for example, 31825563 + ... + 31825630.

Almost surely, 2^2164140562 is an apocalyptic number.

2164140562 is a deficient number, since it is larger than the sum of its proper divisors (1273023914).

2164140562 is a wasteful number, since it uses less digits than its factorization.

2164140562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63651212.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 2164140562 is about 46520.3241820175. The cubic root of 2164140562 is about 1293.4862655418.

The spelling of 2164140562 in words is "two billion, one hundred sixty-four million, one hundred forty thousand, five hundred sixty-two".