16672522 has 8 divisors (see below), whose sum is σ = 25027236. Its totient is φ = 8330112.

The previous prime is 16672517. The next prime is 16672541. The reversal of 16672522 is 22527661.

It can be written as a sum of positive squares in 2 ways, for example, as 15062161 + 1610361 = 3881^2 + 1269^2 .

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

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, 1968 + ... + 6100.

Almost surely, 2^16672522 is an apocalyptic number.

16672522 is a deficient number, since it is larger than the sum of its proper divisors (8354714).

16672522 is a wasteful number, since it uses less digits than its factorization.

16672522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6152.

The product of its digits is 10080, while the sum is 31.

The square root of 16672522 is about 4083.1999706113. The cubic root of 16672522 is about 255.4663872766.

The spelling of 16672522 in words is "sixteen million, six hundred seventy-two thousand, five hundred twenty-two".