2153162718 has 48 divisors (see below), whose sum is σ = 5361482880. Its totient is φ = 611746128.

The previous prime is 2153162717. The next prime is 2153162729. The reversal of 2153162718 is 8172613512.

2153162718 is a `hidden beast` number, since 2 + 15 + 3 + 1 + 627 + 18 = 666.

2153162718 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2153162718² = 9272219380370295048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2153162717) 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, 25180 + ... + 70287.

It is an arithmetic number, because the mean of its divisors is an integer number (111697560).

Almost surely, 2^2153162718 is an apocalyptic number.

2153162718 is an abundant number, since it is smaller than the sum of its proper divisors (3208320162).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2153162718 is a wasteful number, since it uses less digits than its factorization.

2153162718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95661 (or 95658 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 2153162718 is about 46402.1844097883. The cubic root of 2153162718 is about 1291.2954392436.

The spelling of 2153162718 in words is "two billion, one hundred fifty-three million, one hundred sixty-two thousand, seven hundred eighteen".