16451560611732 has 96 divisors (see below), whose sum is σ = 40540245984000. Its totient is φ = 5185145190400.

The previous prime is 16451560611659. The next prime is 16451560611757. The reversal of 16451560611732 is 23711606515461.

It is a super-2 number, since 2×16451560611732² (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 31 ways as a sum of consecutive naturals, for example, 1447132 + ... + 5915852.

It is an arithmetic number, because the mean of its divisors is an integer number (422294229000).

Almost surely, 2^{16451560611732} is an apocalyptic number.

16451560611732 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 16451560611732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20270122992000).

16451560611732 is an abundant number, since it is smaller than the sum of its proper divisors (24088685372268).

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

16451560611732 is a wasteful number, since it uses less digits than its factorization.

16451560611732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4468977 (or 4468975 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 48.

The spelling of 16451560611732 in words is "sixteen trillion, four hundred fifty-one billion, five hundred sixty million, six hundred eleven thousand, seven hundred thirty-two".