2164898880 has 224 divisors, whose sum is σ = 7670474880. Its totient is φ = 574801920.

The previous prime is 2164898863. The next prime is 2164898909. The reversal of 2164898880 is 888984612.

2164898880 is a `hidden beast` number, since 2 + 1 + 6 + 489 + 88 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 2859462 + ... + 2860218.

Almost surely, 2^2164898880 is an apocalyptic number.

2164898880 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 2164898880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3835237440).

2164898880 is an abundant number, since it is smaller than the sum of its proper divisors (5505576000).

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

2164898880 is a wasteful number, since it uses less digits than its factorization.

2164898880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1114 (or 1098 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 54.

The square root of 2164898880 is about 46528.4738627864. The cubic root of 2164898880 is about 1293.6373277218.

The spelling of 2164898880 in words is "two billion, one hundred sixty-four million, eight hundred ninety-eight thousand, eight hundred eighty".