108361591 has 16 divisors (see below), whose sum is σ = 120304800. Its totient is φ = 96969600.

The previous prime is 108361577. The next prime is 108361597. The reversal of 108361591 is 195163801.

It is not a de Polignac number, because 108361591 - 2⁹ = 108361079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108361597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82641 + ... + 83941.

It is an arithmetic number, because the mean of its divisors is an integer number (7519050).

Almost surely, 2^108361591 is an apocalyptic number.

108361591 is a deficient number, since it is larger than the sum of its proper divisors (11943209).

108361591 is a wasteful number, since it uses less digits than its factorization.

108361591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1506.

The product of its (nonzero) digits is 6480, while the sum is 34.

The square root of 108361591 is about 10409.6873632209. The cubic root of 108361591 is about 476.7511957178.

The spelling of 108361591 in words is "one hundred eight million, three hundred sixty-one thousand, five hundred ninety-one".