16126394 has 4 divisors (see below), whose sum is σ = 24189594. Its totient is φ = 8063196.

The previous prime is 16126391. The next prime is 16126399. The reversal of 16126394 is 49362161.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49362161 = 443 ⋅111427.

It can be written as a sum of positive squares in only one way, i.e., 11122225 + 5004169 = 3335^2 + 2237^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 16126394.

It is not an unprimeable number, because it can be changed into a prime (16126391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4031597 + ... + 4031600.

Almost surely, 2^16126394 is an apocalyptic number.

16126394 is a deficient number, since it is larger than the sum of its proper divisors (8063200).

16126394 is an equidigital number, since it uses as much as digits as its factorization.

16126394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8063199.

The product of its digits is 7776, while the sum is 32.

The square root of 16126394 is about 4015.7681705995. The cubic root of 16126394 is about 252.6459973237.

The spelling of 16126394 in words is "sixteen million, one hundred twenty-six thousand, three hundred ninety-four".