8672261658 has 8 divisors (see below), whose sum is σ = 17344523328. Its totient is φ = 2890753884.

The previous prime is 8672261641. The next prime is 8672261669. The reversal of 8672261658 is 8561622768.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

8672261658 is an admirable number.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 8672261658.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 722688466 + ... + 722688477.

It is an arithmetic number, because the mean of its divisors is an integer number (2168065416).

Almost surely, 2^8672261658 is an apocalyptic number.

8672261658 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

8672261658 is a wasteful number, since it uses less digits than its factorization.

8672261658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1445376948.

The product of its digits is 1935360, while the sum is 51.

The square root of 8672261658 is about 93124.9787006687. The cubic root of 8672261658 is about 2054.5219757056.

The spelling of 8672261658 in words is "eight billion, six hundred seventy-two million, two hundred sixty-one thousand, six hundred fifty-eight".