16627275677 has 4 divisors (see below), whose sum is σ = 16628763996. Its totient is φ = 16625787360.

The previous prime is 16627275653. The next prime is 16627275701. The reversal of 16627275677 is 77657272661.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 77657272661 = 41 ⋅1894079821.

It is an interprime number because it is at equal distance from previous prime (16627275653) and next prime (16627275701).

It can be written as a sum of positive squares in 2 ways, for example, as 10877238436 + 5750037241 = 104294^2 + 75829^2 .

It is a cyclic number.

It is not a de Polignac number, because 16627275677 - 2¹⁶ = 16627210141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16627277677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 727274 + ... + 749787.

It is an arithmetic number, because the mean of its divisors is an integer number (4157190999).

Almost surely, 2^16627275677 is an apocalyptic number.

It is an amenable number.

16627275677 is a deficient number, since it is larger than the sum of its proper divisors (1488319).

16627275677 is a wasteful number, since it uses less digits than its factorization.

16627275677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1488318.

The product of its digits is 10372320, while the sum is 56.

The spelling of 16627275677 in words is "sixteen billion, six hundred twenty-seven million, two hundred seventy-five thousand, six hundred seventy-seven".