2163154653 has 24 divisors (see below), whose sum is σ = 3534856416. Its totient is φ = 1311001200.

The previous prime is 2163154621. The next prime is 2163154663. The reversal of 2163154653 is 3564513612.

2163154653 is a `hidden beast` number, since 2 + 1 + 63 + 1 + 546 + 53 = 666.

It is not a de Polignac number, because 2163154653 - 2⁵ = 2163154621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2163154663) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 401958 + ... + 407303.

It is an arithmetic number, because the mean of its divisors is an integer number (147285684).

Almost surely, 2^2163154653 is an apocalyptic number.

It is an amenable number.

2163154653 is a deficient number, since it is larger than the sum of its proper divisors (1371701763).

2163154653 is an equidigital number, since it uses as much as digits as its factorization.

2163154653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809287 (or 809275 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 2163154653 is about 46509.7264343707. The cubic root of 2163154653 is about 1293.2898128903.

It can be divided in two parts, 2163 and 154653, that added together give a square (156816 = 396²).

The spelling of 2163154653 in words is "two billion, one hundred sixty-three million, one hundred fifty-four thousand, six hundred fifty-three".