165146461 has 8 divisors (see below), whose sum is σ = 174337920. Its totient is φ = 156004992.

The previous prime is 165146453. The next prime is 165146507. The reversal of 165146461 is 164641561.

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

It is a cyclic number.

It is not a de Polignac number, because 165146461 - 2³ = 165146453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165141461) 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, 5605 + ... + 19018.

It is an arithmetic number, because the mean of its divisors is an integer number (21792240).

Almost surely, 2^165146461 is an apocalyptic number.

It is an amenable number.

165146461 is a deficient number, since it is larger than the sum of its proper divisors (9191459).

165146461 is a wasteful number, since it uses less digits than its factorization.

165146461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24995.

The product of its digits is 17280, while the sum is 34.

The square root of 165146461 is about 12850.9323008099. The cubic root of 165146461 is about 548.6428921494.

The spelling of 165146461 in words is "one hundred sixty-five million, one hundred forty-six thousand, four hundred sixty-one".