16842624861 has 8 divisors (see below), whose sum is σ = 22508698240. Its totient is φ = 11202484032.

The previous prime is 16842624817. The next prime is 16842624913.

16842624861 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 16842624861 - 2³⁰ = 15768883037 is a prime.

It is a super-3 number, since 3×16842624861³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 16842624861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16842624061) 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, 6481621 + ... + 6484218.

It is an arithmetic number, because the mean of its divisors is an integer number (2813587280).

Almost surely, 2^16842624861 is an apocalyptic number.

It is an amenable number.

16842624861 is a deficient number, since it is larger than the sum of its proper divisors (5666073379).

16842624861 is a wasteful number, since it uses less digits than its factorization.

16842624861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12966275.

The product of its digits is 884736, while the sum is 48.

The spelling of 16842624861 in words is "sixteen billion, eight hundred forty-two million, six hundred twenty-four thousand, eight hundred sixty-one".