16427066057 has 4 divisors (see below), whose sum is σ = 16446101760. Its totient is φ = 16408030356.

The previous prime is 16427066041. The next prime is 16427066059. The reversal of 16427066057 is 75066072461.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16427066057 - 2⁴ = 16427066041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16427065999 and 16427066017.

It is not an unprimeable number, because it can be changed into a prime (16427066059) 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, 9516557 + ... + 9518282.

It is an arithmetic number, because the mean of its divisors is an integer number (4111525440).

Almost surely, 2^16427066057 is an apocalyptic number.

It is an amenable number.

16427066057 is a deficient number, since it is larger than the sum of its proper divisors (19035703).

16427066057 is an equidigital number, since it uses as much as digits as its factorization.

16427066057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19035702.

The product of its (nonzero) digits is 423360, while the sum is 44.

The spelling of 16427066057 in words is "sixteen billion, four hundred twenty-seven million, sixty-six thousand, fifty-seven".