13664062641 has 8 divisors (see below), whose sum is σ = 18219477760. Its totient is φ = 9109011312.

The previous prime is 13664062637. The next prime is 13664062673. The reversal of 13664062641 is 14626046631.

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

It is not a de Polignac number, because 13664062641 - 2² = 13664062637 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 13664062641.

It is not an unprimeable number, because it can be changed into a prime (13664062691) 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, 13995 + ... + 165903.

It is an arithmetic number, because the mean of its divisors is an integer number (2277434720).

Almost surely, 2^13664062641 is an apocalyptic number.

It is an amenable number.

13664062641 is a deficient number, since it is larger than the sum of its proper divisors (4555415119).

13664062641 is a wasteful number, since it uses less digits than its factorization.

13664062641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181895.

The product of its (nonzero) digits is 124416, while the sum is 39.

The spelling of 13664062641 in words is "thirteen billion, six hundred sixty-four million, sixty-two thousand, six hundred forty-one".