221164373043 has 12 divisors (see below), whose sum is σ = 319465314168. Its totient is φ = 147440301120.

The previous prime is 221164372937. The next prime is 221164373071. The reversal of 221164373043 is 340373461122.

221164373043 is a `hidden beast` number, since 2 + 2 + 1 + 1 + 643 + 7 + 3 + 0 + 4 + 3 = 666.

It is not a de Polignac number, because 221164373043 - 2¹² = 221164368947 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 221164372989 and 221164373007.

It is not an unprimeable number, because it can be changed into a prime (221164333043) 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, 414571 + ... + 783707.

It is an arithmetic number, because the mean of its divisors is an integer number (26622109514).

Almost surely, 2^221164373043 is an apocalyptic number.

221164373043 is a deficient number, since it is larger than the sum of its proper divisors (98300941125).

221164373043 is a wasteful number, since it uses less digits than its factorization.

221164373043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435714 (or 435711 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

The spelling of 221164373043 in words is "two hundred twenty-one billion, one hundred sixty-four million, three hundred seventy-three thousand, forty-three".