2162251560 has 128 divisors (see below), whose sum is σ = 7585966080. Its totient is φ = 482727168.

The previous prime is 2162251549. The next prime is 2162251579. The reversal of 2162251560 is 651522612.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 6189 + ... + 66051.

It is an arithmetic number, because the mean of its divisors is an integer number (59265360).

Almost surely, 2^2162251560 is an apocalyptic number.

2162251560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2162251560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3792983040).

2162251560 is an abundant number, since it is smaller than the sum of its proper divisors (5423714520).

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

2162251560 is a wasteful number, since it uses less digits than its factorization.

2162251560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59927 (or 59923 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 2162251560 is about 46500.0167741905. The cubic root of 2162251560 is about 1293.1098098024.

The spelling of 2162251560 in words is "two billion, one hundred sixty-two million, two hundred fifty-one thousand, five hundred sixty".