150066665 has 24 divisors (see below), whose sum is σ = 212455872. Its totient is φ = 101441760.

The previous prime is 150066661. The next prime is 150066671. The reversal of 150066665 is 566660051.

It is not a de Polignac number, because 150066665 - 2² = 150066661 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (150066661) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13082 + ... + 21708.

It is an arithmetic number, because the mean of its divisors is an integer number (8852328).

Almost surely, 2^150066665 is an apocalyptic number.

It is an amenable number.

150066665 is a deficient number, since it is larger than the sum of its proper divisors (62389207).

150066665 is an equidigital number, since it uses as much as digits as its factorization.

150066665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8717 (or 8710 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 150066665 is about 12250.1699988204. The cubic root of 150066665 is about 531.4079864149.

The spelling of 150066665 in words is "one hundred fifty million, sixty-six thousand, six hundred sixty-five".