8591361906 has 16 divisors (see below), whose sum is σ = 17340364800. Its totient is φ = 2837513808.

The previous prime is 8591361899. The next prime is 8591361941. The reversal of 8591361906 is 6091631958.

It is a super-2 number, since 2×8591361906² (a number of 21 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 6567666 + ... + 6568973.

It is an arithmetic number, because the mean of its divisors is an integer number (1083772800).

Almost surely, 2^8591361906 is an apocalyptic number.

8591361906 is an abundant number, since it is smaller than the sum of its proper divisors (8749002894).

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

8591361906 is a wasteful number, since it uses less digits than its factorization.

8591361906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13136753.

The product of its (nonzero) digits is 349920, while the sum is 48.

The square root of 8591361906 is about 92689.5997725743. The cubic root of 8591361906 is about 2048.1134264431.

The spelling of 8591361906 in words is "eight billion, five hundred ninety-one million, three hundred sixty-one thousand, nine hundred six".