16627078819 has 16 divisors (see below), whose sum is σ = 18216261504. Its totient is φ = 15083712000.

The previous prime is 16627078813. The next prime is 16627078849. The reversal of 16627078819 is 91887072661.

It is a cyclic number.

It is not a de Polignac number, because 16627078819 - 2²⁹ = 16090207907 is a prime.

It is a super-2 number, since 2×16627078819² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16627078819.

It is not an unprimeable number, because it can be changed into a prime (16627078813) 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 15 ways as a sum of consecutive naturals, for example, 235494 + ... + 297844.

It is an arithmetic number, because the mean of its divisors is an integer number (1138516344).

Almost surely, 2^16627078819 is an apocalyptic number.

16627078819 is a deficient number, since it is larger than the sum of its proper divisors (1589182685).

16627078819 is a wasteful number, since it uses less digits than its factorization.

16627078819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62718.

The product of its (nonzero) digits is 2032128, while the sum is 55.

The spelling of 16627078819 in words is "sixteen billion, six hundred twenty-seven million, seventy-eight thousand, eight hundred nineteen".