16666347360 has 144 divisors (see below), whose sum is σ = 56848299984. Its totient is φ = 4102465536.

The previous prime is 16666347323. The next prime is 16666347361. The reversal of 16666347360 is 6374366661.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16666347361) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21607 + ... + 183846.

It is an arithmetic number, because the mean of its divisors is an integer number (394779861).

Almost surely, 2^16666347360 is an apocalyptic number.

16666347360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16666347360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28424149992).

16666347360 is an abundant number, since it is smaller than the sum of its proper divisors (40181952624).

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

16666347360 is a wasteful number, since it uses less digits than its factorization.

16666347360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205497 (or 205476 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 48.

The spelling of 16666347360 in words is "sixteen billion, six hundred sixty-six million, three hundred forty-seven thousand, three hundred sixty".