16490226635473 has 4 divisors (see below), whose sum is σ = 16525997192628. Its totient is φ = 16454456078320.

The previous prime is 16490226635453. The next prime is 16490226635543. The reversal of 16490226635473 is 37453662209461.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1909528768449 + 14580697867024 = 1381857^2 + 3818468^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16490226635473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16490226635453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17885277886 + ... + 17885278807.

It is an arithmetic number, because the mean of its divisors is an integer number (4131499298157).

Almost surely, 2^{16490226635473} is an apocalyptic number.

It is an amenable number.

16490226635473 is a deficient number, since it is larger than the sum of its proper divisors (35770557155).

16490226635473 is an equidigital number, since it uses as much as digits as its factorization.

16490226635473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35770557154.

The product of its (nonzero) digits is 39191040, while the sum is 58.

The spelling of 16490226635473 in words is "sixteen trillion, four hundred ninety billion, two hundred twenty-six million, six hundred thirty-five thousand, four hundred seventy-three".