16254862487 has 4 divisors (see below), whose sum is σ = 16460620320. Its totient is φ = 16049104656.

The previous prime is 16254862441. The next prime is 16254862499. The reversal of 16254862487 is 78426845261.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16254862487 - 2⁸ = 16254862231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16254862087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102878798 + ... + 102878955.

It is an arithmetic number, because the mean of its divisors is an integer number (4115155080).

Almost surely, 2^16254862487 is an apocalyptic number.

16254862487 is a deficient number, since it is larger than the sum of its proper divisors (205757833).

16254862487 is an equidigital number, since it uses as much as digits as its factorization.

16254862487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205757832.

The product of its digits is 5160960, while the sum is 53.

The spelling of 16254862487 in words is "sixteen billion, two hundred fifty-four million, eight hundred sixty-two thousand, four hundred eighty-seven".