8143206372 has 120 divisors (see below), whose sum is σ = 24420704000. Its totient is φ = 2317870080.

The previous prime is 8143206353. The next prime is 8143206413. The reversal of 8143206372 is 2736023418.

It is a happy number.

8143206372 is a `hidden beast` number, since 8 + 14 + 3 + 2 + 0 + 637 + 2 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 608004 + ... + 621252.

Almost surely, 2^8143206372 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8143206372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12210352000).

8143206372 is an abundant number, since it is smaller than the sum of its proper divisors (16277497628).

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

8143206372 is a wasteful number, since it uses less digits than its factorization.

8143206372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13543 (or 13532 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 8143206372 is about 90239.7161564685. The cubic root of 8143206372 is about 2011.8633555938.

The spelling of 8143206372 in words is "eight billion, one hundred forty-three million, two hundred six thousand, three hundred seventy-two".