16677474912 has 576 divisors, whose sum is σ = 60628538880. Its totient is φ = 4401340416.

The previous prime is 16677474899. The next prime is 16677474949. The reversal of 16677474912 is 21947477661.

It is a happy number.

16677474912 is a `hidden beast` number, since 16 + 6 + 77 + 474 + 91 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 61997914 + ... + 61998182.

It is an arithmetic number, because the mean of its divisors is an integer number (105257880).

Almost surely, 2^16677474912 is an apocalyptic number.

16677474912 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 16677474912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30314269440).

16677474912 is an abundant number, since it is smaller than the sum of its proper divisors (43951063968).

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

16677474912 is a wasteful number, since it uses less digits than its factorization.

16677474912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385 (or 365 counting only the distinct ones).

The product of its digits is 3556224, while the sum is 54.

The spelling of 16677474912 in words is "sixteen billion, six hundred seventy-seven million, four hundred seventy-four thousand, nine hundred twelve".