167233561 has 8 divisors (see below), whose sum is σ = 188322048. Its totient is φ = 147126000.

The previous prime is 167233537. The next prime is 167233601. The reversal of 167233561 is 165332761.

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

It is not a de Polignac number, because 167233561 - 2¹³ = 167225369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (167233061) 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, 244870 + ... + 245551.

It is an arithmetic number, because the mean of its divisors is an integer number (23540256).

Almost surely, 2^167233561 is an apocalyptic number.

167233561 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

167233561 is a deficient number, since it is larger than the sum of its proper divisors (21088487).

167233561 is a wasteful number, since it uses less digits than its factorization.

167233561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490463.

The product of its digits is 22680, while the sum is 34.

The square root of 167233561 is about 12931.8815723003. The cubic root of 167233561 is about 550.9444500066.

The spelling of 167233561 in words is "one hundred sixty-seven million, two hundred thirty-three thousand, five hundred sixty-one".