16626487601801 has 8 divisors (see below), whose sum is σ = 20729127399744. Its totient is φ = 12955704624720.

The previous prime is 16626487601791. The next prime is 16626487601819. The reversal of 16626487601801 is 10810678462661.

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

It is a de Polignac number, because none of the positive numbers 2^k-16626487601801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16626487601861) 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, 107964205130 + ... + 107964205283.

It is an arithmetic number, because the mean of its divisors is an integer number (2591140924968).

Almost surely, 2^{16626487601801} is an apocalyptic number.

16626487601801 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16626487601801 is a deficient number, since it is larger than the sum of its proper divisors (4102639797943).

16626487601801 is a wasteful number, since it uses less digits than its factorization.

16626487601801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215928410431.

The product of its (nonzero) digits is 4644864, while the sum is 56.

The spelling of 16626487601801 in words is "sixteen trillion, six hundred twenty-six billion, four hundred eighty-seven million, six hundred one thousand, eight hundred one".