16137880817 has 8 divisors (see below), whose sum is σ = 16773730176. Its totient is φ = 15512541552.

The previous prime is 16137880813. The next prime is 16137880841. The reversal of 16137880817 is 71808873161.

It is a happy number.

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 16137880817 - 2² = 16137880813 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16137880813) 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, 2624393 + ... + 2630534.

It is an arithmetic number, because the mean of its divisors is an integer number (2096716272).

Almost surely, 2^16137880817 is an apocalyptic number.

It is an amenable number.

16137880817 is a deficient number, since it is larger than the sum of its proper divisors (635849359).

16137880817 is an equidigital number, since it uses as much as digits as its factorization.

16137880817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5255047.

The product of its (nonzero) digits is 451584, while the sum is 50.

The spelling of 16137880817 in words is "sixteen billion, one hundred thirty-seven million, eight hundred eighty thousand, eight hundred seventeen".