16961422747 has 8 divisors (see below), whose sum is σ = 17579658800. Its totient is φ = 16351598304.

The previous prime is 16961422729. The next prime is 16961422757. The reversal of 16961422747 is 74722416961.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16961422747 - 2²⁷ = 16827205019 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16961422747.

It is not an unprimeable number, because it can be changed into a prime (16961422727) 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, 2098797 + ... + 2106862.

It is an arithmetic number, because the mean of its divisors is an integer number (2197457350).

Almost surely, 2^16961422747 is an apocalyptic number.

16961422747 is a deficient number, since it is larger than the sum of its proper divisors (618236053).

16961422747 is a wasteful number, since it uses less digits than its factorization.

16961422747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4205805.

The product of its digits is 1016064, while the sum is 49.

The spelling of 16961422747 in words is "sixteen billion, nine hundred sixty-one million, four hundred twenty-two thousand, seven hundred forty-seven".