16667702481 has 12 divisors (see below), whose sum is σ = 23454829392. Its totient is φ = 10526969304.

The previous prime is 16667702437. The next prime is 16667702503. The reversal of 16667702481 is 18420776661.

It is not a de Polignac number, because 16667702481 - 2⁶ = 16667702417 is a prime.

It is a super-2 number, since 2×16667702481² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16667702481.

It is not an unprimeable number, because it can be changed into a prime (16667701481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7694071 + ... + 7696236.

It is an arithmetic number, because the mean of its divisors is an integer number (1954569116).

Almost surely, 2^16667702481 is an apocalyptic number.

It is an amenable number.

16667702481 is a deficient number, since it is larger than the sum of its proper divisors (6787126911).

16667702481 is a wasteful number, since it uses less digits than its factorization.

16667702481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15390348 (or 15390329 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 48.

The spelling of 16667702481 in words is "sixteen billion, six hundred sixty-seven million, seven hundred two thousand, four hundred eighty-one".