219682332661 has 16 divisors (see below), whose sum is σ = 240035788800. Its totient is φ = 199392850800.

The previous prime is 219682332619. The next prime is 219682332673. The reversal of 219682332661 is 166233286912.

It is not a de Polignac number, because 219682332661 - 2¹³ = 219682324469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (219682332761) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23269180 + ... + 23278618.

It is an arithmetic number, because the mean of its divisors is an integer number (15002236800).

Almost surely, 2^219682332661 is an apocalyptic number.

It is an amenable number.

219682332661 is a deficient number, since it is larger than the sum of its proper divisors (20353456139).

219682332661 is a wasteful number, since it uses less digits than its factorization.

219682332661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12600.

The product of its digits is 1119744, while the sum is 49.

The spelling of 219682332661 in words is "two hundred nineteen billion, six hundred eighty-two million, three hundred thirty-two thousand, six hundred sixty-one".