165674461 has 4 divisors (see below), whose sum is σ = 165735424. Its totient is φ = 165613500.

The previous prime is 165674423. The next prime is 165674473. The reversal of 165674461 is 164476561.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 165674461 - 2¹³ = 165666269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165674491) 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, 26205 + ... + 31906.

It is an arithmetic number, because the mean of its divisors is an integer number (41433856).

Almost surely, 2^165674461 is an apocalyptic number.

It is an amenable number.

165674461 is a deficient number, since it is larger than the sum of its proper divisors (60963).

165674461 is an equidigital number, since it uses as much as digits as its factorization.

165674461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60962.

The product of its digits is 120960, while the sum is 40.

The square root of 165674461 is about 12871.4591635914. The cubic root of 165674461 is about 549.2269702073.

The spelling of 165674461 in words is "one hundred sixty-five million, six hundred seventy-four thousand, four hundred sixty-one".