16687033374 has 64 divisors (see below), whose sum is σ = 38304306432. Its totient is φ = 4799980800.

The previous prime is 16687033367. The next prime is 16687033403. The reversal of 16687033374 is 47333078661.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16789 + ... + 183455.

It is an arithmetic number, because the mean of its divisors is an integer number (598504788).

Almost surely, 2^16687033374 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16687033374, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19152153216).

16687033374 is an abundant number, since it is smaller than the sum of its proper divisors (21617273058).

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

16687033374 is a wasteful number, since it uses less digits than its factorization.

16687033374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166761.

The product of its (nonzero) digits is 1524096, while the sum is 48.

The spelling of 16687033374 in words is "sixteen billion, six hundred eighty-seven million, thirty-three thousand, three hundred seventy-four".