16486871 has 4 divisors (see below), whose sum is σ = 16685592. Its totient is φ = 16288152.

The previous prime is 16486861. The next prime is 16486903. The reversal of 16486871 is 17868461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17868461 = 13 ⋅1374497.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16486871 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 (16486861) 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, 99236 + ... + 99401.

It is an arithmetic number, because the mean of its divisors is an integer number (4171398).

Almost surely, 2^16486871 is an apocalyptic number.

16486871 is a deficient number, since it is larger than the sum of its proper divisors (198721).

16486871 is an equidigital number, since it uses as much as digits as its factorization.

16486871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198720.

The product of its digits is 64512, while the sum is 41.

The square root of 16486871 is about 4060.4028125298. The cubic root of 16486871 is about 254.5146271457.

The spelling of 16486871 in words is "sixteen million, four hundred eighty-six thousand, eight hundred seventy-one".