150506661 has 16 divisors (see below), whose sum is σ = 212868864. Its totient is φ = 94262784.

The previous prime is 150506651. The next prime is 150506677. The reversal of 150506661 is 166605051.

It is not a de Polignac number, because 150506661 - 2⁶ = 150506597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150506651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29076 + ... + 33858.

It is an arithmetic number, because the mean of its divisors is an integer number (13304304).

Almost surely, 2^150506661 is an apocalyptic number.

It is an amenable number.

150506661 is a deficient number, since it is larger than the sum of its proper divisors (62362203).

150506661 is a wasteful number, since it uses less digits than its factorization.

150506661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5420.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 150506661 is about 12268.1156254740. The cubic root of 150506661 is about 531.9268430224.

The spelling of 150506661 in words is "one hundred fifty million, five hundred six thousand, six hundred sixty-one".