8238146961 has 16 divisors (see below), whose sum is σ = 12117401280. Its totient is φ = 4936715520.

The previous prime is 8238146953. The next prime is 8238146963. The reversal of 8238146961 is 1696418328.

It is not a de Polignac number, because 8238146961 - 2³ = 8238146953 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8238146961.

It is not an unprimeable number, because it can be changed into a prime (8238146963) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1399540 + ... + 1405413.

It is an arithmetic number, because the mean of its divisors is an integer number (757337580).

Almost surely, 2^8238146961 is an apocalyptic number.

It is an amenable number.

8238146961 is a deficient number, since it is larger than the sum of its proper divisors (3879254319).

8238146961 is a wasteful number, since it uses less digits than its factorization.

8238146961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2805056.

The product of its digits is 497664, while the sum is 48.

The square root of 8238146961 is about 90764.2383375743. The cubic root of 8238146961 is about 2019.6518500244.

The spelling of 8238146961 in words is "eight billion, two hundred thirty-eight million, one hundred forty-six thousand, nine hundred sixty-one".