165608141450 has 12 divisors (see below), whose sum is σ = 308031143190. Its totient is φ = 66243256560.

The previous prime is 165608141393. The next prime is 165608141467. The reversal of 165608141450 is 54141806561.

It can be written as a sum of positive squares in 3 ways, for example, as 114442153849 + 51165987601 = 338293^2 + 226199^2 .

It is a junction number, because it is equal to n+sod(n) for n = 165608141398 and 165608141407.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1656081365 + ... + 1656081464.

Almost surely, 2^165608141450 is an apocalyptic number.

165608141450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165608141450 is a deficient number, since it is larger than the sum of its proper divisors (142423001740).

165608141450 is a wasteful number, since it uses less digits than its factorization.

165608141450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3312162841 (or 3312162836 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 41.

The spelling of 165608141450 in words is "one hundred sixty-five billion, six hundred eight million, one hundred forty-one thousand, four hundred fifty".