150101661 has 8 divisors (see below), whose sum is σ = 200213920. Its totient is φ = 100028592.

The previous prime is 150101639. The next prime is 150101669. The reversal of 150101661 is 166101051.

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

It is not a de Polignac number, because 150101661 - 2¹⁰ = 150100637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150101669) 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, 771 + ... + 17343.

It is an arithmetic number, because the mean of its divisors is an integer number (25026740).

Almost surely, 2^150101661 is an apocalyptic number.

It is an amenable number.

150101661 is a deficient number, since it is larger than the sum of its proper divisors (50112259).

150101661 is a wasteful number, since it uses less digits than its factorization.

150101661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19595.

The product of its (nonzero) digits is 180, while the sum is 21.

The square root of 150101661 is about 12251.5983038949. The cubic root of 150101661 is about 531.4492918539.

The spelling of 150101661 in words is "one hundred fifty million, one hundred one thousand, six hundred sixty-one".