152665661041 has 4 divisors (see below), whose sum is σ = 152721564784. Its totient is φ = 152609757300.

The previous prime is 152665661021. The next prime is 152665661059. The reversal of 152665661041 is 140166566251.

152665661041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 140166566251 = 349 ⋅401623399.

It is a cyclic number.

It is not a de Polignac number, because 152665661041 - 2⁵ = 152665661009 is a prime.

It is a super-2 number, since 2×152665661041² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152665661021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27947775 + ... + 27953236.

It is an arithmetic number, because the mean of its divisors is an integer number (38180391196).

Almost surely, 2^152665661041 is an apocalyptic number.

It is an amenable number.

152665661041 is a deficient number, since it is larger than the sum of its proper divisors (55903743).

152665661041 is an equidigital number, since it uses as much as digits as its factorization.

152665661041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55903742.

The product of its (nonzero) digits is 259200, while the sum is 43.

The spelling of 152665661041 in words is "one hundred fifty-two billion, six hundred sixty-five million, six hundred sixty-one thousand, forty-one".