16648901826 has 16 divisors (see below), whose sum is σ = 33502086624. Its totient is φ = 5515586784.

The previous prime is 16648901761. The next prime is 16648901833. The reversal of 16648901826 is 62810984661.

It is a super-2 number, since 2×16648901826² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8510731 + ... + 8512686.

It is an arithmetic number, because the mean of its divisors is an integer number (2093880414).

Almost surely, 2^16648901826 is an apocalyptic number.

16648901826 is an abundant number, since it is smaller than the sum of its proper divisors (16853184798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16648901826 is a wasteful number, since it uses less digits than its factorization.

16648901826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17023585.

The product of its (nonzero) digits is 995328, while the sum is 51.

The spelling of 16648901826 in words is "sixteen billion, six hundred forty-eight million, nine hundred one thousand, eight hundred twenty-six".