8261870148 has 144 divisors (see below), whose sum is σ = 24513390720. Its totient is φ = 2296972800.

The previous prime is 8261870083. The next prime is 8261870159. The reversal of 8261870148 is 8410781628.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

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, 5258203 + ... + 5259773.

It is an arithmetic number, because the mean of its divisors is an integer number (170231880).

Almost surely, 2^8261870148 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 8261870148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12256695360).

8261870148 is an abundant number, since it is smaller than the sum of its proper divisors (16251520572).

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

8261870148 is a wasteful number, since it uses less digits than its factorization.

8261870148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2138 (or 2133 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 45.

The square root of 8261870148 is about 90894.8301500146. The cubic root of 8261870148 is about 2021.5886391790.

The spelling of 8261870148 in words is "eight billion, two hundred sixty-one million, eight hundred seventy thousand, one hundred forty-eight".