16612446245 has 4 divisors (see below), whose sum is σ = 19934935500. Its totient is φ = 13289956992.

The previous prime is 16612446239. The next prime is 16612446247. The reversal of 16612446245 is 54264421661.

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 6922406401 + 9690039844 = 83201^2 + 98438^2 .

It is a cyclic number.

It is not a de Polignac number, because 16612446245 - 2¹⁶ = 16612380709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16612446247) 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, 1661244620 + ... + 1661244629.

It is an arithmetic number, because the mean of its divisors is an integer number (4983733875).

Almost surely, 2^16612446245 is an apocalyptic number.

It is an amenable number.

16612446245 is a deficient number, since it is larger than the sum of its proper divisors (3322489255).

16612446245 is an equidigital number, since it uses as much as digits as its factorization.

16612446245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3322489254.

The product of its digits is 276480, while the sum is 41.

The spelling of 16612446245 in words is "sixteen billion, six hundred twelve million, four hundred forty-six thousand, two hundred forty-five".