2162153406 has 64 divisors (see below), whose sum is σ = 5139002880. Its totient is φ = 593362560.

The previous prime is 2162153369. The next prime is 2162153417. The reversal of 2162153406 is 6043512612.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 235441 + ... + 244451.

It is an arithmetic number, because the mean of its divisors is an integer number (80296920).

Almost surely, 2^2162153406 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2162153406, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2569501440).

2162153406 is an abundant number, since it is smaller than the sum of its proper divisors (2976849474).

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

2162153406 is a wasteful number, since it uses less digits than its factorization.

2162153406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9249.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 2162153406 is about 46498.9613432386. The cubic root of 2162153406 is about 1293.0902428807.

The spelling of 2162153406 in words is "two billion, one hundred sixty-two million, one hundred fifty-three thousand, four hundred six".