16698947583552 has 224 divisors, whose sum is σ = 48297209772672. Its totient is φ = 5061015945216.

The previous prime is 16698947583529. The next prime is 16698947583553. The reversal of 16698947583552 is 25538574989661.

It is a Harshad number since it is a multiple of its sum of digits (78).

It is not an unprimeable number, because it can be changed into a prime (16698947583553) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 137870923 + ... + 137991989.

It is an arithmetic number, because the mean of its divisors is an integer number (215612543628).

Almost surely, 2^{16698947583552} is an apocalyptic number.

16698947583552 is a gapful number since it is divisible by the number (12) 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 16698947583552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24148604886336).

16698947583552 is an abundant number, since it is smaller than the sum of its proper divisors (31598262189120).

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

16698947583552 is a wasteful number, since it uses less digits than its factorization.

16698947583552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121925 (or 121915 counting only the distinct ones).

The product of its digits is 3919104000, while the sum is 78.

The spelling of 16698947583552 in words is "sixteen trillion, six hundred ninety-eight billion, nine hundred forty-seven million, five hundred eighty-three thousand, five hundred fifty-two".