16412171456 has 56 divisors (see below), whose sum is σ = 34006353120. Its totient is φ = 7844114432.

The previous prime is 16412171453. The next prime is 16412171473. The reversal of 16412171456 is 65417121461.

It is a super-2 number, since 2×16412171456² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (16412171453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3131270 + ... + 3136506.

Almost surely, 2^16412171456 is an apocalyptic number.

16412171456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16412171456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17003176560).

16412171456 is an abundant number, since it is smaller than the sum of its proper divisors (17594181664).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16412171456 is a wasteful number, since it uses less digits than its factorization.

16412171456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7401 (or 7391 counting only the distinct ones).

The product of its digits is 40320, while the sum is 38.

The spelling of 16412171456 in words is "sixteen billion, four hundred twelve million, one hundred seventy-one thousand, four hundred fifty-six".