165670467 has 4 divisors (see below), whose sum is σ = 220893960. Its totient is φ = 110446976.

The previous prime is 165670409. The next prime is 165670469. The reversal of 165670467 is 764076561.

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 165670467 - 2⁷ = 165670339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (165670469) 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, 27611742 + ... + 27611747.

It is an arithmetic number, because the mean of its divisors is an integer number (55223490).

Almost surely, 2^165670467 is an apocalyptic number.

165670467 is a deficient number, since it is larger than the sum of its proper divisors (55223493).

165670467 is an equidigital number, since it uses as much as digits as its factorization.

165670467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55223492.

The product of its (nonzero) digits is 211680, while the sum is 42.

The square root of 165670467 is about 12871.3040131915. The cubic root of 165670467 is about 549.2225566722. Note that the first 3 decimals are identical.

The spelling of 165670467 in words is "one hundred sixty-five million, six hundred seventy thousand, four hundred sixty-seven".