16772026 has 8 divisors (see below), whose sum is σ = 25838100. Its totient is φ = 8159328.

The previous prime is 16771999. The next prime is 16772027. The reversal of 16772026 is 62027761.

It can be written as a sum of positive squares in 2 ways, for example, as 12145225 + 4626801 = 3485^2 + 2151^2 .

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

It is a super-2 number, since 2×16772026² = 562601712289352, which contains 22 as substring.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (16772027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113251 + ... + 113398.

Almost surely, 2^16772026 is an apocalyptic number.

16772026 is a deficient number, since it is larger than the sum of its proper divisors (9066074).

16772026 is a wasteful number, since it uses less digits than its factorization.

16772026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226688.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 16772026 is about 4095.3664060741. The cubic root of 16772026 is about 255.9735995724.

Adding to 16772026 its reverse (62027761), we get a palindrome (78799787).

The spelling of 16772026 in words is "sixteen million, seven hundred seventy-two thousand, twenty-six".