16266373440240 has 640 divisors, whose sum is σ = 64237168558080. Its totient is φ = 3306510028800.

The previous prime is 16266373440227. The next prime is 16266373440277. The reversal of 16266373440240 is 4204437366261.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 16266373440240.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2771572026 + ... + 2771577894.

It is an arithmetic number, because the mean of its divisors is an integer number (100370575872).

Almost surely, 2^{16266373440240} is an apocalyptic number.

16266373440240 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 16266373440240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32118584279040).

16266373440240 is an abundant number, since it is smaller than the sum of its proper divisors (47970795117840).

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

16266373440240 is a wasteful number, since it uses less digits than its factorization.

16266373440240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9141 (or 9135 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 48.

The spelling of 16266373440240 in words is "sixteen trillion, two hundred sixty-six billion, three hundred seventy-three million, four hundred forty thousand, two hundred forty".