108668541 has 4 divisors (see below), whose sum is σ = 144891392. Its totient is φ = 72445692.

The previous prime is 108668533. The next prime is 108668557. The reversal of 108668541 is 145866801.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 108668541 - 2³ = 108668533 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 108668541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108668041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18111421 + ... + 18111426.

It is an arithmetic number, because the mean of its divisors is an integer number (36222848).

Almost surely, 2^108668541 is an apocalyptic number.

It is an amenable number.

108668541 is a deficient number, since it is larger than the sum of its proper divisors (36222851).

108668541 is an equidigital number, since it uses as much as digits as its factorization.

108668541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36222850.

The product of its (nonzero) digits is 46080, while the sum is 39.

The square root of 108668541 is about 10424.4204155435. The cubic root of 108668541 is about 477.2009270906.

The spelling of 108668541 in words is "one hundred eight million, six hundred sixty-eight thousand, five hundred forty-one".