2166526230 has 32 divisors (see below), whose sum is σ = 5672360448. Its totient is φ = 525218400.

The previous prime is 2166526211. The next prime is 2166526249. The reversal of 2166526230 is 326256612.

It is an interprime number because it is at equal distance from previous prime (2166526211) and next prime (2166526249).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 2166526191 and 2166526200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3282286 + ... + 3282945.

It is an arithmetic number, because the mean of its divisors is an integer number (177261264).

Almost surely, 2^2166526230 is an apocalyptic number.

2166526230 is an abundant number, since it is smaller than the sum of its proper divisors (3505834218).

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

2166526230 is a wasteful number, since it uses less digits than its factorization.

2166526230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6565252.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 2166526230 is about 46545.9582563298. The cubic root of 2166526230 is about 1293.9613880360.

It can be divided in two parts, 21665 and 26230, that added together give a triangular number (47895 = T₃₀₉).

The spelling of 2166526230 in words is "two billion, one hundred sixty-six million, five hundred twenty-six thousand, two hundred thirty".