16842518425 has 12 divisors (see below), whose sum is σ = 21370415440. Its totient is φ = 13160664720.

The previous prime is 16842518423. The next prime is 16842518431. The reversal of 16842518425 is 52481524861.

It is not a de Polignac number, because 16842518425 - 2¹ = 16842518423 is a prime.

It is a super-3 number, since 3×16842518425³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (16842518423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7832655 + ... + 7834804.

Almost surely, 2^16842518425 is an apocalyptic number.

It is an amenable number.

16842518425 is a deficient number, since it is larger than the sum of its proper divisors (4527897015).

16842518425 is a wasteful number, since it uses less digits than its factorization.

16842518425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15667512 (or 15667507 counting only the distinct ones).

The product of its digits is 614400, while the sum is 46.

The spelling of 16842518425 in words is "sixteen billion, eight hundred forty-two million, five hundred eighteen thousand, four hundred twenty-five".