16251433212532 has 48 divisors (see below), whose sum is σ = 33956562568320. Its totient is φ = 6658149456000.

The previous prime is 16251433212523. The next prime is 16251433212557. The reversal of 16251433212532 is 23521233415261.

It is a super-2 number, since 2×16251433212532² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98997594 + ... + 99161617.

It is an arithmetic number, because the mean of its divisors is an integer number (707428386840).

Almost surely, 2^{16251433212532} is an apocalyptic number.

It is an amenable number.

16251433212532 is an abundant number, since it is smaller than the sum of its proper divisors (17705129355788).

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

16251433212532 is a wasteful number, since it uses less digits than its factorization.

16251433212532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198159352 (or 198159350 counting only the distinct ones).

The product of its digits is 259200, while the sum is 40.

Adding to 16251433212532 its reverse (23521233415261), we get a palindrome (39772666627793).

The spelling of 16251433212532 in words is "sixteen trillion, two hundred fifty-one billion, four hundred thirty-three million, two hundred twelve thousand, five hundred thirty-two".