21160146265300 has 216 divisors, whose sum is σ = 56343031315200. Its totient is φ = 6858706821120.

The previous prime is 21160146265283. The next prime is 21160146265351. The reversal of 21160146265300 is 356264106112.

It is a self number, because there is not a number n which added to its sum of digits gives 21160146265300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 44357652 + ... + 44832148.

It is an arithmetic number, because the mean of its divisors is an integer number (260847367200).

Almost surely, 2^{21160146265300} is an apocalyptic number.

21160146265300 is a gapful number since it is divisible by the number (20) 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 21160146265300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28171515657600).

21160146265300 is an abundant number, since it is smaller than the sum of its proper divisors (35182885049900).

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

21160146265300 is a wasteful number, since it uses less digits than its factorization.

21160146265300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475023 (or 475009 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 21160146265300 in words is "twenty-one trillion, one hundred sixty billion, one hundred forty-six million, two hundred sixty-five thousand, three hundred".