16961018755 has 16 divisors (see below), whose sum is σ = 20570344704. Its totient is φ = 13424317920.

The previous prime is 16961018749. The next prime is 16961018759. The reversal of 16961018755 is 55781016961.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-16961018755 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16961018699 and 16961018708.

It is not an unprimeable number, because it can be changed into a prime (16961018759) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 546772 + ... + 576958.

It is an arithmetic number, because the mean of its divisors is an integer number (1285646544).

Almost surely, 2^16961018755 is an apocalyptic number.

16961018755 is a deficient number, since it is larger than the sum of its proper divisors (3609325949).

16961018755 is a wasteful number, since it uses less digits than its factorization.

16961018755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31386.

The product of its (nonzero) digits is 453600, while the sum is 49.

The spelling of 16961018755 in words is "sixteen billion, nine hundred sixty-one million, eighteen thousand, seven hundred fifty-five".