108686561837 has 8 divisors (see below), whose sum is σ = 124353892416. Its totient is φ = 93054400992.

The previous prime is 108686561761. The next prime is 108686561857. The reversal of 108686561837 is 738165686801.

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

It is not a de Polignac number, because 108686561837 - 2¹⁴ = 108686545453 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 (108686561857) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8785808 + ... + 8798169.

It is an arithmetic number, because the mean of its divisors is an integer number (15544236552).

Almost surely, 2^108686561837 is an apocalyptic number.

It is an amenable number.

108686561837 is a deficient number, since it is larger than the sum of its proper divisors (15667330579).

108686561837 is an equidigital number, since it uses as much as digits as its factorization.

108686561837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17584867.

The product of its (nonzero) digits is 11612160, while the sum is 59.

The spelling of 108686561837 in words is "one hundred eight billion, six hundred eighty-six million, five hundred sixty-one thousand, eight hundred thirty-seven".