16442663474532 has 24 divisors (see below), whose sum is σ = 38508840115200. Its totient is φ = 5460512776096.

The previous prime is 16442663474521. The next prime is 16442663474543. The reversal of 16442663474532 is 23547436624461.

It is an interprime number because it is at equal distance from previous prime (16442663474521) and next prime (16442663474543).

It is a super-3 number, since 3×16442663474532³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2546877732 + ... + 2546884187.

It is an arithmetic number, because the mean of its divisors is an integer number (1604535004800).

Almost surely, 2^{16442663474532} is an apocalyptic number.

16442663474532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16442663474532 is an abundant number, since it is smaller than the sum of its proper divisors (22066176640668).

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

16442663474532 is a wasteful number, since it uses less digits than its factorization.

16442663474532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5093762195 (or 5093762193 counting only the distinct ones).

The product of its digits is 69672960, while the sum is 57.

The spelling of 16442663474532 in words is "sixteen trillion, four hundred forty-two billion, six hundred sixty-three million, four hundred seventy-four thousand, five hundred thirty-two".