221072673771063 has 12 divisors (see below), whose sum is σ = 320123522623008. Its totient is φ = 147014246894400.

The previous prime is 221072673770989. The next prime is 221072673771067. The reversal of 221072673771063 is 360177376270122.

221072673771063 is a `hidden beast` number, since 2 + 2 + 1 + 0 + 7 + 267 + 377 + 1 + 0 + 6 + 3 = 666.

It is not a de Polignac number, because 221072673771063 - 2⁹ = 221072673770551 is a prime.

It is a super-2 number, since 2×221072673771063² (a number of 29 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221072673771067) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30627964495 + ... + 30627971712.

It is an arithmetic number, because the mean of its divisors is an integer number (26676960218584).

Almost surely, 2^{221072673771063} is an apocalyptic number.

221072673771063 is a deficient number, since it is larger than the sum of its proper divisors (99050848851945).

221072673771063 is a wasteful number, since it uses less digits than its factorization.

221072673771063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61255936614 (or 61255936611 counting only the distinct ones).

The product of its (nonzero) digits is 6223392, while the sum is 54.

The spelling of 221072673771063 in words is "two hundred twenty-one trillion, seventy-two billion, six hundred seventy-three million, seven hundred seventy-one thousand, sixty-three".