2170271988 has 24 divisors (see below), whose sum is σ = 5626631360. Its totient is φ = 723423960.

The previous prime is 2170271959. The next prime is 2170272001. The reversal of 2170271988 is 8891720712.

2170271988 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10047448 + ... + 10047663.

Almost surely, 2^2170271988 is an apocalyptic number.

It is an amenable number.

2170271988 is an abundant number, since it is smaller than the sum of its proper divisors (3456359372).

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

2170271988 is a wasteful number, since it uses less digits than its factorization.

2170271988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20095124 (or 20095116 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 45.

The square root of 2170271988 is about 46586.1780789109. The cubic root of 2170271988 is about 1294.7066787456.

The spelling of 2170271988 in words is "two billion, one hundred seventy million, two hundred seventy-one thousand, nine hundred eighty-eight".