16418382587 has 4 divisors (see below), whose sum is σ = 17384169816. Its totient is φ = 15452595360.

The previous prime is 16418382577. The next prime is 16418382611. The reversal of 16418382587 is 78528381461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78528381461 = 349 ⋅225009689.

It is a cyclic number.

It is not a de Polignac number, because 16418382587 - 2¹² = 16418378491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16418382557) 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, 482893589 + ... + 482893622.

It is an arithmetic number, because the mean of its divisors is an integer number (4346042454).

Almost surely, 2^16418382587 is an apocalyptic number.

16418382587 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

16418382587 is a deficient number, since it is larger than the sum of its proper divisors (965787229).

16418382587 is an equidigital number, since it uses as much as digits as its factorization.

16418382587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 965787228.

The product of its digits is 2580480, while the sum is 53.

The spelling of 16418382587 in words is "sixteen billion, four hundred eighteen million, three hundred eighty-two thousand, five hundred eighty-seven".