165446061 has 16 divisors (see below), whose sum is σ = 251112960. Its totient is φ = 95910320.

The previous prime is 165446059. The next prime is 165446081. The reversal of 165446061 is 160644561.

It is a happy number.

165446061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 165446061 - 2¹ = 165446059 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165446081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108231 + ... + 109748.

It is an arithmetic number, because the mean of its divisors is an integer number (15694560).

Almost surely, 2^165446061 is an apocalyptic number.

165446061 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

165446061 is a deficient number, since it is larger than the sum of its proper divisors (85666899).

165446061 is a wasteful number, since it uses less digits than its factorization.

165446061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218016.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 165446061 is about 12862.5837606602. The cubic root of 165446061 is about 548.9744647232.

The spelling of 165446061 in words is "one hundred sixty-five million, four hundred forty-six thousand, sixty-one".