150999666 has 16 divisors (see below), whose sum is σ = 302232000. Its totient is φ = 50294448.

The previous prime is 150999599. The next prime is 150999683. The reversal of 150999666 is 666999051.

It is a super-2 number, since 2×150999666² = 45601798264223112, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 601 + ... + 17388.

It is an arithmetic number, because the mean of its divisors is an integer number (18889500).

Almost surely, 2^150999666 is an apocalyptic number.

150999666 is an abundant number, since it is smaller than the sum of its proper divisors (151232334).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

150999666 is a wasteful number, since it uses less digits than its factorization.

150999666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19393.

The product of its (nonzero) digits is 787320, while the sum is 51.

The square root of 150999666 is about 12288.1921371697. The cubic root of 150999666 is about 532.5070095399.

The spelling of 150999666 in words is "one hundred fifty million, nine hundred ninety-nine thousand, six hundred sixty-six".