221250065357376 has 896 divisors, whose sum is σ = 738507010867200. Its totient is φ = 64348618752000.

The previous prime is 221250065357353. The next prime is 221250065357393. The reversal of 221250065357376 is 673753560052122.

221250065357376 is a `hidden beast` number, since 2 + 2 + 1 + 2 + 5 + 0 + 0 + 65 + 3 + 573 + 7 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 39728865120 + ... + 39728870688.

Almost surely, 2^{221250065357376} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 221250065357376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (369253505433600).

221250065357376 is an abundant number, since it is smaller than the sum of its proper divisors (517256945509824).

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

221250065357376 is a wasteful number, since it uses less digits than its factorization.

221250065357376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6176 (or 6160 counting only the distinct ones).

The product of its (nonzero) digits is 15876000, while the sum is 54.

The spelling of 221250065357376 in words is "two hundred twenty-one trillion, two hundred fifty billion, sixty-five million, three hundred fifty-seven thousand, three hundred seventy-six".