152332661 has 4 divisors (see below), whose sum is σ = 164050572. Its totient is φ = 140614752.

The previous prime is 152332643. The next prime is 152332669. The reversal of 152332661 is 166233251.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 166233251 = 1879 ⋅88469.

It can be written as a sum of positive squares in 2 ways, for example, as 96157636 + 56175025 = 9806^2 + 7495^2 .

It is a cyclic number.

It is not a de Polignac number, because 152332661 - 2¹⁰ = 152331637 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 (152332669) 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 3 ways as a sum of consecutive naturals, for example, 5858936 + ... + 5858961.

It is an arithmetic number, because the mean of its divisors is an integer number (41012643).

Almost surely, 2^152332661 is an apocalyptic number.

It is an amenable number.

152332661 is a deficient number, since it is larger than the sum of its proper divisors (11717911).

152332661 is a wasteful number, since it uses less digits than its factorization.

152332661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11717910.

The product of its digits is 6480, while the sum is 29.

The square root of 152332661 is about 12342.3118174838. The cubic root of 152332661 is about 534.0693763988.

The spelling of 152332661 in words is "one hundred fifty-two million, three hundred thirty-two thousand, six hundred sixty-one".