16671746220 has 48 divisors (see below), whose sum is σ = 46698701280. Its totient is φ = 4444102656.

The previous prime is 16671746219. The next prime is 16671746293. The reversal of 16671746220 is 2264717661.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109674 + ... + 213006.

It is an arithmetic number, because the mean of its divisors is an integer number (972889610).

Almost surely, 2^16671746220 is an apocalyptic number.

16671746220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16671746220 is an abundant number, since it is smaller than the sum of its proper divisors (30026955060).

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

16671746220 is a wasteful number, since it uses less digits than its factorization.

16671746220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106034 (or 106032 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 42.

The spelling of 16671746220 in words is "sixteen billion, six hundred seventy-one million, seven hundred forty-six thousand, two hundred twenty".