167166667 has 4 divisors (see below), whose sum is σ = 167608120. Its totient is φ = 166725216.

The previous prime is 167166641. The next prime is 167166673. The reversal of 167166667 is 766661761.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 766661761 = 19 ⋅40350619.

It is a cyclic number.

It is not a de Polignac number, because 167166667 - 2¹¹ = 167164619 is a prime.

It is a super-4 number, since 4×167166667⁴ (a number of 34 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (167166677) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220158 + ... + 220915.

It is an arithmetic number, because the mean of its divisors is an integer number (41902030).

Almost surely, 2^167166667 is an apocalyptic number.

167166667 is a deficient number, since it is larger than the sum of its proper divisors (441453).

167166667 is an equidigital number, since it uses as much as digits as its factorization.

167166667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441452.

The product of its digits is 381024, while the sum is 46.

The square root of 167166667 is about 12929.2949150369. The cubic root of 167166667 is about 550.8709803176.

The spelling of 167166667 in words is "one hundred sixty-seven million, one hundred sixty-six thousand, six hundred sixty-seven".