165845630150 has 24 divisors (see below), whose sum is σ = 309313431840. Its totient is φ = 66157486560.

The previous prime is 165845630141. The next prime is 165845630177. The reversal of 165845630150 is 51036548561.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4500605 + ... + 4537304.

It is an arithmetic number, because the mean of its divisors is an integer number (12888059660).

Almost surely, 2^165845630150 is an apocalyptic number.

165845630150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165845630150 is a deficient number, since it is larger than the sum of its proper divisors (143467801690).

165845630150 is a wasteful number, since it uses less digits than its factorization.

165845630150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9038288 (or 9038283 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 44.

The spelling of 165845630150 in words is "one hundred sixty-five billion, eight hundred forty-five million, six hundred thirty thousand, one hundred fifty".