14108591661 has 8 divisors (see below), whose sum is σ = 18814224000. Its totient is φ = 9404343552.

The previous prime is 14108591659. The next prime is 14108591681. The reversal of 14108591661 is 16619580141.

It is a happy number.

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

It is not a de Polignac number, because 14108591661 - 2¹ = 14108591659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14108591681) 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, 322036 + ... + 363213.

It is an arithmetic number, because the mean of its divisors is an integer number (2351778000).

Almost surely, 2^14108591661 is an apocalyptic number.

It is an amenable number.

14108591661 is a deficient number, since it is larger than the sum of its proper divisors (4705632339).

14108591661 is an equidigital number, since it uses as much as digits as its factorization.

14108591661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692115.

The product of its (nonzero) digits is 51840, while the sum is 42.

The spelling of 14108591661 in words is "fourteen billion, one hundred eight million, five hundred ninety-one thousand, six hundred sixty-one".