16681202761429 has 8 divisors (see below), whose sum is σ = 16693438002560. Its totient is φ = 16668971888400.

The previous prime is 16681202761423. The next prime is 16681202761439. The reversal of 16681202761429 is 92416720218661.

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 16681202761429 - 2⁹ = 16681202760917 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 16681202761429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16681202761423) 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, 6568192 + ... + 8746630.

It is an arithmetic number, because the mean of its divisors is an integer number (2086679750320).

Almost surely, 2^{16681202761429} is an apocalyptic number.

It is an amenable number.

16681202761429 is a deficient number, since it is larger than the sum of its proper divisors (12235241131).

16681202761429 is a wasteful number, since it uses less digits than its factorization.

16681202761429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2184051.

The product of its (nonzero) digits is 3483648, while the sum is 55.

The spelling of 16681202761429 in words is "sixteen trillion, six hundred eighty-one billion, two hundred two million, seven hundred sixty-one thousand, four hundred twenty-nine".