16801420835 has 8 divisors (see below), whose sum is σ = 20706616176. Its totient is φ = 13077862560.

The previous prime is 16801420813. The next prime is 16801420837. The reversal of 16801420835 is 53802410861.

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-16801420835 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16801420837) 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, 45409061 + ... + 45409430.

It is an arithmetic number, because the mean of its divisors is an integer number (2588327022).

Almost surely, 2^16801420835 is an apocalyptic number.

16801420835 is a deficient number, since it is larger than the sum of its proper divisors (3905195341).

16801420835 is an equidigital number, since it uses as much as digits as its factorization.

16801420835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90818533.

The product of its (nonzero) digits is 46080, while the sum is 38.

The spelling of 16801420835 in words is "sixteen billion, eight hundred one million, four hundred twenty thousand, eight hundred thirty-five".