16910474687 has 4 divisors (see below), whose sum is σ = 16910750280. Its totient is φ = 16910199096.

The previous prime is 16910474671. The next prime is 16910474807. The reversal of 16910474687 is 78647401961.

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 16910474687 - 2⁴ = 16910474671 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 (16910474657) 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, 533 + ... + 183905.

It is an arithmetic number, because the mean of its divisors is an integer number (4227687570).

Almost surely, 2^16910474687 is an apocalyptic number.

16910474687 is a deficient number, since it is larger than the sum of its proper divisors (275593).

16910474687 is an equidigital number, since it uses as much as digits as its factorization.

16910474687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275592.

The product of its (nonzero) digits is 2032128, while the sum is 53.

The spelling of 16910474687 in words is "sixteen billion, nine hundred ten million, four hundred seventy-four thousand, six hundred eighty-seven".