16495845471 has 12 divisors (see below), whose sum is σ = 27231237072. Its totient is φ = 9426197376.

The previous prime is 16495845449. The next prime is 16495845473. The reversal of 16495845471 is 17454859461.

16495845471 is a `hidden beast` number, since 1 + 6 + 4 + 9 + 584 + 54 + 7 + 1 = 666.

It is not a de Polignac number, because 16495845471 - 2⁶ = 16495845407 is a prime.

It is a super-3 number, since 3×16495845471³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16495845473) 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, 130919346 + ... + 130919471.

It is an arithmetic number, because the mean of its divisors is an integer number (2269269756).

Almost surely, 2^16495845471 is an apocalyptic number.

16495845471 is a deficient number, since it is larger than the sum of its proper divisors (10735391601).

16495845471 is a wasteful number, since it uses less digits than its factorization.

16495845471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261838830 (or 261838827 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 54.

The spelling of 16495845471 in words is "sixteen billion, four hundred ninety-five million, eight hundred forty-five thousand, four hundred seventy-one".