16726441442 has 4 divisors (see below), whose sum is σ = 25089662166. Its totient is φ = 8363220720.

The previous prime is 16726441439. The next prime is 16726441471. The reversal of 16726441442 is 24414462761.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24414462761 = 13 ⋅1878035597.

It can be written as a sum of positive squares in only one way, i.e., 15180457681 + 1545983761 = 123209^2 + 39319^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 16726441442.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4181610359 + ... + 4181610362.

Almost surely, 2^16726441442 is an apocalyptic number.

16726441442 is a deficient number, since it is larger than the sum of its proper divisors (8363220724).

16726441442 is an equidigital number, since it uses as much as digits as its factorization.

16726441442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8363220723.

The product of its digits is 258048, while the sum is 41.

The spelling of 16726441442 in words is "sixteen billion, seven hundred twenty-six million, four hundred forty-one thousand, four hundred forty-two".