16946207806 has 16 divisors (see below), whose sum is σ = 29189640960. Its totient is φ = 7297409880.

The previous prime is 16946207783. The next prime is 16946207827. The reversal of 16946207806 is 60870264961.

It is a self number, because there is not a number n which added to its sum of digits gives 16946207806.

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, 20270166 + ... + 20271001.

It is an arithmetic number, because the mean of its divisors is an integer number (1824352560).

Almost surely, 2^16946207806 is an apocalyptic number.

16946207806 is a deficient number, since it is larger than the sum of its proper divisors (12243433154).

16946207806 is a wasteful number, since it uses less digits than its factorization.

16946207806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40541199.

The product of its (nonzero) digits is 870912, while the sum is 49.

The spelling of 16946207806 in words is "sixteen billion, nine hundred forty-six million, two hundred seven thousand, eight hundred six".