16734774828 has 12 divisors (see below), whose sum is σ = 39047807960. Its totient is φ = 5578258272.

The previous prime is 16734774827. The next prime is 16734774937. The reversal of 16734774828 is 82847743761.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (16734774827) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 697282273 + ... + 697282296.

Almost surely, 2^16734774828 is an apocalyptic number.

It is an amenable number.

16734774828 is an abundant number, since it is smaller than the sum of its proper divisors (22313033132).

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

16734774828 is a wasteful number, since it uses less digits than its factorization.

16734774828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1394564576 (or 1394564574 counting only the distinct ones).

The product of its digits is 12644352, while the sum is 57.

The spelling of 16734774828 in words is "sixteen billion, seven hundred thirty-four million, seven hundred seventy-four thousand, eight hundred twenty-eight".