16728877434 has 8 divisors (see below), whose sum is σ = 33457754880. Its totient is φ = 5576292476.

The previous prime is 16728877409. The next prime is 16728877439. The reversal of 16728877434 is 43477882761.

It is a sphenic number, since it is the product of 3 distinct primes.

16728877434 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (16728877439) 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, 1394073114 + ... + 1394073125.

It is an arithmetic number, because the mean of its divisors is an integer number (4182219360).

Almost surely, 2^16728877434 is an apocalyptic number.

16728877434 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

16728877434 is a wasteful number, since it uses less digits than its factorization.

16728877434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2788146244.

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

The spelling of 16728877434 in words is "sixteen billion, seven hundred twenty-eight million, eight hundred seventy-seven thousand, four hundred thirty-four".