16961369319406 has 16 divisors (see below), whose sum is σ = 25595136817344. Its totient is φ = 8429680108384.

The previous prime is 16961369319403. The next prime is 16961369319449. The reversal of 16961369319406 is 60491396316961.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16961369319403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4291606 + ... + 7234681.

It is an arithmetic number, because the mean of its divisors is an integer number (1599696051084).

Almost surely, 2^{16961369319406} is an apocalyptic number.

16961369319406 is a deficient number, since it is larger than the sum of its proper divisors (8633767497938).

16961369319406 is a wasteful number, since it uses less digits than its factorization.

16961369319406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11530715.

The product of its (nonzero) digits is 34012224, while the sum is 64.

The spelling of 16961369319406 in words is "sixteen trillion, nine hundred sixty-one billion, three hundred sixty-nine million, three hundred nineteen thousand, four hundred six".