16514345639 has 8 divisors (see below), whose sum is σ = 18064743168. Its totient is φ = 14972130360.

The previous prime is 16514345629. The next prime is 16514345681. The reversal of 16514345639 is 93654341561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16514345639 - 2⁴ = 16514345623 is a prime.

It is a super-3 number, since 3×16514345639³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16514345593 and 16514345602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16514345629) 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 7 ways as a sum of consecutive naturals, for example, 2041337 + ... + 2049410.

It is an arithmetic number, because the mean of its divisors is an integer number (2258092896).

Almost surely, 2^16514345639 is an apocalyptic number.

16514345639 is a deficient number, since it is larger than the sum of its proper divisors (1550397529).

16514345639 is a wasteful number, since it uses less digits than its factorization.

16514345639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4091125.

The product of its digits is 1166400, while the sum is 47.

The spelling of 16514345639 in words is "sixteen billion, five hundred fourteen million, three hundred forty-five thousand, six hundred thirty-nine".