16734564 has 72 divisors (see below), whose sum is σ = 52747968. Its totient is φ = 4345920.

The previous prime is 16734563. The next prime is 16734577. The reversal of 16734564 is 46543761.

It is a happy number.

16734564 is a `hidden beast` number, since 1 + 67 + 34 + 564 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (16734563) 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, 247 + ... + 5790.

Almost surely, 2^16734564 is an apocalyptic number.

16734564 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 16734564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26373984).

16734564 is an abundant number, since it is smaller than the sum of its proper divisors (36013404).

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

16734564 is a wasteful number, since it uses less digits than its factorization.

16734564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6065 (or 6060 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 16734564 is about 4090.7901437253. The cubic root of 16734564 is about 255.7828766110.

The spelling of 16734564 in words is "sixteen million, seven hundred thirty-four thousand, five hundred sixty-four".