150550166605 has 4 divisors (see below), whose sum is σ = 180660199932. Its totient is φ = 120440133280.

The previous prime is 150550166579. The next prime is 150550166623. The reversal of 150550166605 is 506661055051.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 62693649769 + 87856516836 = 250387^2 + 296406^2 .

It is not a de Polignac number, because 150550166605 - 2¹⁷ = 150550035533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15055016656 + ... + 15055016665.

It is an arithmetic number, because the mean of its divisors is an integer number (45165049983).

Almost surely, 2^150550166605 is an apocalyptic number.

It is an amenable number.

150550166605 is a deficient number, since it is larger than the sum of its proper divisors (30110033327).

150550166605 is an equidigital number, since it uses as much as digits as its factorization.

150550166605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30110033326.

The product of its (nonzero) digits is 135000, while the sum is 40.

The spelling of 150550166605 in words is "one hundred fifty billion, five hundred fifty million, one hundred sixty-six thousand, six hundred five".