165215060 has 24 divisors (see below), whose sum is σ = 351707496. Its totient is φ = 65180160.

The previous prime is 165215053. The next prime is 165215077. The reversal of 165215060 is 60512561.

It can be written as a sum of positive squares in 4 ways, for example, as 47969476 + 117245584 = 6926^2 + 10828^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55121 + ... + 58040.

It is an arithmetic number, because the mean of its divisors is an integer number (14654479).

Almost surely, 2^165215060 is an apocalyptic number.

165215060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

165215060 is an abundant number, since it is smaller than the sum of its proper divisors (186492436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

165215060 is a wasteful number, since it uses less digits than its factorization.

165215060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113243 (or 113241 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 165215060 is about 12853.6010518454. The cubic root of 165215060 is about 548.7188472412.

The spelling of 165215060 in words is "one hundred sixty-five million, two hundred fifteen thousand, sixty".