16172305240 has 256 divisors, whose sum is σ = 47421158400. Its totient is φ = 4820207616.

The previous prime is 16172305231. The next prime is 16172305243. The reversal of 16172305240 is 4250327161.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16172305243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13623927 + ... + 13625113.

It is an arithmetic number, because the mean of its divisors is an integer number (185238900).

Almost surely, 2^16172305240 is an apocalyptic number.

16172305240 is a gapful number since it is divisible by the number (10) 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 16172305240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23710579200).

16172305240 is an abundant number, since it is smaller than the sum of its proper divisors (31248853160).

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

16172305240 is a wasteful number, since it uses less digits than its factorization.

16172305240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1434 (or 1430 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The spelling of 16172305240 in words is "sixteen billion, one hundred seventy-two million, three hundred five thousand, two hundred forty".