16751428 has 12 divisors (see below), whose sum is σ = 29438332. Its totient is φ = 8340480.

The previous prime is 16751419. The next prime is 16751453. The reversal of 16751428 is 82415761.

It can be written as a sum of positive squares in 2 ways, for example, as 6110784 + 10640644 = 2472^2 + 3262^2 .

It is a super-2 number, since 2×16751428² = 561220680078368, which contains 22 as substring.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 16751393 and 16751402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7725 + ... + 9652.

Almost surely, 2^16751428 is an apocalyptic number.

It is an amenable number.

16751428 is a deficient number, since it is larger than the sum of its proper divisors (12686904).

16751428 is a wasteful number, since it uses less digits than its factorization.

16751428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17622 (or 17620 counting only the distinct ones).

The product of its digits is 13440, while the sum is 34.

The square root of 16751428 is about 4092.8508401846. The cubic root of 16751428 is about 255.8687681881.

The spelling of 16751428 in words is "sixteen million, seven hundred fifty-one thousand, four hundred twenty-eight".