16549674806 has 16 divisors (see below), whose sum is σ = 28636022016. Its totient is φ = 7026430056.

The previous prime is 16549674793. The next prime is 16549674853. The reversal of 16549674806 is 60847694561.

It is a super-2 number, since 2×16549674806² (a number of 21 digits) contains 22 as substring.

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, 5522426 + ... + 5525421.

It is an arithmetic number, because the mean of its divisors is an integer number (1789751376).

Almost surely, 2^16549674806 is an apocalyptic number.

16549674806 is a deficient number, since it is larger than the sum of its proper divisors (12086347210).

16549674806 is a wasteful number, since it uses less digits than its factorization.

16549674806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11047963.

The product of its (nonzero) digits is 8709120, while the sum is 56.

The spelling of 16549674806 in words is "sixteen billion, five hundred forty-nine million, six hundred seventy-four thousand, eight hundred six".