16761278748 has 12 divisors (see below), whose sum is σ = 39109650440. Its totient is φ = 5587092912.

The previous prime is 16761278747. The next prime is 16761278749. The reversal of 16761278748 is 84787216761.

16761278748 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (16761278747) and next prime (16761278749).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16761278747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 698386603 + ... + 698386626.

Almost surely, 2^16761278748 is an apocalyptic number.

It is an amenable number.

16761278748 is an abundant number, since it is smaller than the sum of its proper divisors (22348371692).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16761278748 is a wasteful number, since it uses less digits than its factorization.

16761278748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1396773236 (or 1396773234 counting only the distinct ones).

The product of its digits is 6322176, while the sum is 57.

The spelling of 16761278748 in words is "sixteen billion, seven hundred sixty-one million, two hundred seventy-eight thousand, seven hundred forty-eight".