16121751334260 has 192 divisors, whose sum is σ = 56152239462144. Its totient is φ = 3395449036800.

The previous prime is 16121751334237. The next prime is 16121751334307. The reversal of 16121751334260 is 6243315712161.

It is a happy number.

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 63 ways as a sum of consecutive naturals, for example, 55118611 + ... + 55410330.

It is an arithmetic number, because the mean of its divisors is an integer number (292459580532).

Almost surely, 2^{16121751334260} is an apocalyptic number.

16121751334260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16121751334260 is an abundant number, since it is smaller than the sum of its proper divisors (40030488127884).

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

16121751334260 is a wasteful number, since it uses less digits than its factorization.

16121751334260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110528994 (or 110528992 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The spelling of 16121751334260 in words is "sixteen trillion, one hundred twenty-one billion, seven hundred fifty-one million, three hundred thirty-four thousand, two hundred sixty".