16465565625432 has 768 divisors, whose sum is σ = 55982769131520. Its totient is φ = 3917579904000.

The previous prime is 16465565625391. The next prime is 16465565625437. The reversal of 16465565625432 is 23452656556461.

It is a super-2 number, since 2×16465565625432² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16465565625437) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 2897334063 + ... + 2897339745.

It is an arithmetic number, because the mean of its divisors is an integer number (72894230640).

Almost surely, 2^{16465565625432} is an apocalyptic number.

16465565625432 is a gapful number since it is divisible by the number (12) 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 16465565625432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27991384565760).

16465565625432 is an abundant number, since it is smaller than the sum of its proper divisors (39517203506088).

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

16465565625432 is a wasteful number, since it uses less digits than its factorization.

16465565625432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5892 (or 5869 counting only the distinct ones).

The product of its digits is 155520000, while the sum is 60.

The spelling of 16465565625432 in words is "sixteen trillion, four hundred sixty-five billion, five hundred sixty-five million, six hundred twenty-five thousand, four hundred thirty-two".