16220086501 has 8 divisors (see below), whose sum is σ = 16279885440. Its totient is φ = 16160318352.

The previous prime is 16220086471. The next prime is 16220086511. The reversal of 16220086501 is 10568002261.

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

It is a cyclic number.

It is not a de Polignac number, because 16220086501 - 2⁵ = 16220086469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16220086511) 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, 1830640 + ... + 1839478.

It is an arithmetic number, because the mean of its divisors is an integer number (2034985680).

Almost surely, 2^16220086501 is an apocalyptic number.

It is an amenable number.

16220086501 is a deficient number, since it is larger than the sum of its proper divisors (59798939).

16220086501 is an equidigital number, since it uses as much as digits as its factorization.

16220086501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15395.

The product of its (nonzero) digits is 5760, while the sum is 31.

Adding to 16220086501 its reverse (10568002261), we get a palindrome (26788088762).

The spelling of 16220086501 in words is "sixteen billion, two hundred twenty million, eighty-six thousand, five hundred one".