2170099008 has 336 divisors, whose sum is σ = 7841748096. Its totient is φ = 557383680.

The previous prime is 2170098991. The next prime is 2170099021. The reversal of 2170099008 is 8009900712.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (336).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5011560 + ... + 5011992.

It is an arithmetic number, because the mean of its divisors is an integer number (23338536).

Almost surely, 2^2170099008 is an apocalyptic number.

2170099008 is a gapful number since it is divisible by the number (28) 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 2170099008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3920874048).

2170099008 is an abundant number, since it is smaller than the sum of its proper divisors (5671649088).

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

2170099008 is a wasteful number, since it uses less digits than its factorization.

2170099008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582 (or 569 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 2170099008 is about 46584.3214826620. The cubic root of 2170099008 is about 1294.6722799371.

The spelling of 2170099008 in words is "two billion, one hundred seventy million, ninety-nine thousand, eight".