2162101500 has 216 divisors, whose sum is σ = 7388336592. Its totient is φ = 532022400.

The previous prime is 2162101489. The next prime is 2162101573. The reversal of 2162101500 is 51012612.

2162101500 is a `hidden beast` number, since 2 + 1 + 62 + 101 + 500 = 666.

2162101500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 759079 + ... + 761921.

It is an arithmetic number, because the mean of its divisors is an integer number (34205262).

Almost surely, 2^2162101500 is an apocalyptic number.

2162101500 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 2162101500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3694168296).

2162101500 is an abundant number, since it is smaller than the sum of its proper divisors (5226235092).

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

2162101500 is a wasteful number, since it uses less digits than its factorization.

2162101500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2894 (or 2866 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 2162101500 is about 46498.4031983895. The cubic root of 2162101500 is about 1293.0798952216.

The spelling of 2162101500 in words is "two billion, one hundred sixty-two million, one hundred one thousand, five hundred".