220896642167 has 4 divisors (see below), whose sum is σ = 223083737736. Its totient is φ = 218709546600.

The previous prime is 220896642149. The next prime is 220896642173. The reversal of 220896642167 is 761246698022.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 220896642167 - 2⁶ = 220896642103 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 (220896642137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1093547633 + ... + 1093547834.

It is an arithmetic number, because the mean of its divisors is an integer number (55770934434).

Almost surely, 2^220896642167 is an apocalyptic number.

220896642167 is a deficient number, since it is larger than the sum of its proper divisors (2187095569).

220896642167 is a wasteful number, since it uses less digits than its factorization.

220896642167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2187095568.

The product of its (nonzero) digits is 3483648, while the sum is 53.

The spelling of 220896642167 in words is "two hundred twenty billion, eight hundred ninety-six million, six hundred forty-two thousand, one hundred sixty-seven".