223661167 has 8 divisors (see below), whose sum is σ = 226278432. Its totient is φ = 221052000.

The previous prime is 223661159. The next prime is 223661213. The reversal of 223661167 is 761166322.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 223661167 - 2³ = 223661159 is a prime.

It is a super-3 number, since 3×223661167³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223661267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66742 + ... + 70012.

It is an arithmetic number, because the mean of its divisors is an integer number (28284804).

Almost surely, 2^223661167 is an apocalyptic number.

223661167 is a deficient number, since it is larger than the sum of its proper divisors (2617265).

223661167 is a wasteful number, since it uses less digits than its factorization.

223661167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4049.

The product of its digits is 18144, while the sum is 34.

The square root of 223661167 is about 14955.3056471608. The cubic root of 223661167 is about 607.0114206331.

The spelling of 223661167 in words is "two hundred twenty-three million, six hundred sixty-one thousand, one hundred sixty-seven".