16966956407 has 4 divisors (see below), whose sum is σ = 17205927696. Its totient is φ = 16727985120.

The previous prime is 16966956401. The next prime is 16966956421. The reversal of 16966956407 is 70465966961.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16966956407 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 (16966956401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119485538 + ... + 119485679.

It is an arithmetic number, because the mean of its divisors is an integer number (4301481924).

Almost surely, 2^16966956407 is an apocalyptic number.

16966956407 is a deficient number, since it is larger than the sum of its proper divisors (238971289).

16966956407 is an equidigital number, since it uses as much as digits as its factorization.

16966956407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238971288.

The product of its (nonzero) digits is 14696640, while the sum is 59.

The spelling of 16966956407 in words is "sixteen billion, nine hundred sixty-six million, nine hundred fifty-six thousand, four hundred seven".