16039954761 has 8 divisors (see below), whose sum is σ = 21644276640. Its totient is φ = 10564468032.

The previous prime is 16039954753. The next prime is 16039954787. The reversal of 16039954761 is 16745993061.

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

It is not a de Polignac number, because 16039954761 - 2³ = 16039954753 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16039954661) 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, 32208496 + ... + 32208993.

It is an arithmetic number, because the mean of its divisors is an integer number (2705534580).

Almost surely, 2^16039954761 is an apocalyptic number.

It is an amenable number.

16039954761 is a deficient number, since it is larger than the sum of its proper divisors (5604321879).

16039954761 is an equidigital number, since it uses as much as digits as its factorization.

16039954761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64417575.

The product of its (nonzero) digits is 1224720, while the sum is 51.

The spelling of 16039954761 in words is "sixteen billion, thirty-nine million, nine hundred fifty-four thousand, seven hundred sixty-one".