221060769194 has 64 divisors (see below), whose sum is σ = 357492710400. Its totient is φ = 102218070528.

The previous prime is 221060769191. The next prime is 221060769211. The reversal of 221060769194 is 491967060122.

It is not an unprimeable number, because it can be changed into a prime (221060769191) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 83512379 + ... + 83515025.

It is an arithmetic number, because the mean of its divisors is an integer number (5585823600).

Almost surely, 2^221060769194 is an apocalyptic number.

221060769194 is a deficient number, since it is larger than the sum of its proper divisors (136431941206).

221060769194 is a wasteful number, since it uses less digits than its factorization.

221060769194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3067.

The product of its (nonzero) digits is 326592, while the sum is 47.

Adding to 221060769194 its sum of digits (47), we get a square (221060769241 = 470171²).

The spelling of 221060769194 in words is "two hundred twenty-one billion, sixty million, seven hundred sixty-nine thousand, one hundred ninety-four".