165026450 has 12 divisors (see below), whose sum is σ = 306949290. Its totient is φ = 66010560.

The previous prime is 165026413. The next prime is 165026461. The reversal of 165026450 is 54620561.

It can be written as a sum of positive squares in 3 ways, for example, as 137851081 + 27175369 = 11741^2 + 5213^2 .

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1650215 + ... + 1650314.

Almost surely, 2^165026450 is an apocalyptic number.

165026450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165026450 is a deficient number, since it is larger than the sum of its proper divisors (141922840).

165026450 is a wasteful number, since it uses less digits than its factorization.

165026450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3300541 (or 3300536 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 165026450 is about 12846.2621022615. The cubic root of 165026450 is about 548.5099613811.

The spelling of 165026450 in words is "one hundred sixty-five million, twenty-six thousand, four hundred fifty".