16419552471 has 16 divisors (see below), whose sum is σ = 27800300800. Its totient is φ = 9382601304.

The previous prime is 16419552463. The next prime is 16419552497. The reversal of 16419552471 is 17425591461.

16419552471 is a `hidden beast` number, since 1 + 6 + 41 + 95 + 52 + 471 = 666.

It is not a de Polignac number, because 16419552471 - 2³ = 16419552463 is a prime.

It is a super-3 number, since 3×16419552471³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16419552431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43437781 + ... + 43438158.

It is an arithmetic number, because the mean of its divisors is an integer number (1737518800).

Almost surely, 2^16419552471 is an apocalyptic number.

16419552471 is a deficient number, since it is larger than the sum of its proper divisors (11380748329).

16419552471 is an equidigital number, since it uses as much as digits as its factorization.

16419552471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86875955 (or 86875949 counting only the distinct ones).

The product of its digits is 302400, while the sum is 45.

The spelling of 16419552471 in words is "sixteen billion, four hundred nineteen million, five hundred fifty-two thousand, four hundred seventy-one".