16606777086 has 16 divisors (see below), whose sum is σ = 36903949200. Its totient is φ = 5535592344.

The previous prime is 16606777069. The next prime is 16606777091. The reversal of 16606777086 is 68077760661.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 307532909 = 16606777086 / (1 + 6 + 6 + 0 + 6 + 7 + 7 + 7 + 0 + 8 + 6).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153766401 + ... + 153766508.

It is an arithmetic number, because the mean of its divisors is an integer number (2306496825).

Almost surely, 2^16606777086 is an apocalyptic number.

16606777086 is an abundant number, since it is smaller than the sum of its proper divisors (20297172114).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16606777086 is a wasteful number, since it uses less digits than its factorization.

16606777086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307532920 (or 307532914 counting only the distinct ones).

The product of its (nonzero) digits is 3556224, while the sum is 54.

The spelling of 16606777086 in words is "sixteen billion, six hundred six million, seven hundred seventy-seven thousand, eighty-six".