150671661 has 8 divisors (see below), whose sum is σ = 229594944. Its totient is φ = 86098080.

The previous prime is 150671623. The next prime is 150671683. The reversal of 150671661 is 166176051.

150671661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 150671661 - 2⁷ = 150671533 is a prime.

It is a super-3 number, since 3×150671661³ (a number of 26 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150671611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3587400 + ... + 3587441.

It is an arithmetic number, because the mean of its divisors is an integer number (28699368).

Almost surely, 2^150671661 is an apocalyptic number.

It is an amenable number.

150671661 is a deficient number, since it is larger than the sum of its proper divisors (78923283).

150671661 is an equidigital number, since it uses as much as digits as its factorization.

150671661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7174851.

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 150671661 is about 12274.8385325429. The cubic root of 150671661 is about 532.1211552980.

The spelling of 150671661 in words is "one hundred fifty million, six hundred seventy-one thousand, six hundred sixty-one".