165513050 has 12 divisors (see below), whose sum is σ = 307854366. Its totient is φ = 66205200.

The previous prime is 165513031. The next prime is 165513059. The reversal of 165513050 is 50315561.

It can be written as a sum of positive squares in 3 ways, for example, as 107889769 + 57623281 = 10387^2 + 7591^2 .

It is not an unprimeable number, because it can be changed into a prime (165513059) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1655081 + ... + 1655180.

Almost surely, 2^165513050 is an apocalyptic number.

165513050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165513050 is a deficient number, since it is larger than the sum of its proper divisors (142341316).

165513050 is a wasteful number, since it uses less digits than its factorization.

165513050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3310273 (or 3310268 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 26.

The square root of 165513050 is about 12865.1875229240. The cubic root of 165513050 is about 549.0485478572.

The spelling of 165513050 in words is "one hundred sixty-five million, five hundred thirteen thousand, fifty".