2162364664 has 8 divisors (see below), whose sum is σ = 4054433760. Its totient is φ = 1081182328.

The previous prime is 2162364637. The next prime is 2162364667. The reversal of 2162364664 is 4664632612.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2162364667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135147784 + ... + 135147799.

It is an arithmetic number, because the mean of its divisors is an integer number (506804220).

Almost surely, 2^2162364664 is an apocalyptic number.

It is an amenable number.

2162364664 is a deficient number, since it is larger than the sum of its proper divisors (1892069096).

2162364664 is a wasteful number, since it uses less digits than its factorization.

2162364664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270295589 (or 270295585 counting only the distinct ones).

The product of its digits is 248832, while the sum is 40.

The square root of 2162364664 is about 46501.2329298912. The cubic root of 2162364664 is about 1293.1323562604.

It can be divided in two parts, 216236 and 4664, that added together give a square (220900 = 470²).

The spelling of 2162364664 in words is "two billion, one hundred sixty-two million, three hundred sixty-four thousand, six hundred sixty-four".