16474074624 has 160 divisors (see below), whose sum is σ = 55731075840. Its totient is φ = 4706850816.

The previous prime is 16474074619. The next prime is 16474074649. The reversal of 16474074624 is 42647047461.

It is a happy number.

16474074624 is a `hidden beast` number, since 16 + 4 + 7 + 4 + 0 + 7 + 4 + 624 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 16474074624.

It is a congruent number.

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, 11647 + ... + 181889.

It is an arithmetic number, because the mean of its divisors is an integer number (348319224).

Almost surely, 2^16474074624 is an apocalyptic number.

16474074624 is a gapful number since it is divisible by the number (14) 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 16474074624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27865537920).

16474074624 is an abundant number, since it is smaller than the sum of its proper divisors (39257001216).

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

16474074624 is an equidigital number, since it uses as much as digits as its factorization.

16474074624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170277 (or 170255 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 45.

The spelling of 16474074624 in words is "sixteen billion, four hundred seventy-four million, seventy-four thousand, six hundred twenty-four".