164752667 has 4 divisors (see below), whose sum is σ = 173423880. Its totient is φ = 156081456.

The previous prime is 164752663. The next prime is 164752691. The reversal of 164752667 is 766257461.

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 164752667 - 2² = 164752663 is a prime.

It is a super-2 number, since 2×164752667² = 54286882567225778, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164752663) 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, 4335578 + ... + 4335615.

It is an arithmetic number, because the mean of its divisors is an integer number (43355970).

Almost surely, 2^164752667 is an apocalyptic number.

164752667 is a deficient number, since it is larger than the sum of its proper divisors (8671213).

164752667 is an equidigital number, since it uses as much as digits as its factorization.

164752667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8671212.

The product of its digits is 423360, while the sum is 44.

The square root of 164752667 is about 12835.6015441428. The cubic root of 164752667 is about 548.2064629093.

The spelling of 164752667 in words is "one hundred sixty-four million, seven hundred fifty-two thousand, six hundred sixty-seven".