152664621 has 8 divisors (see below), whose sum is σ = 203814624. Its totient is φ = 101645520.

The previous prime is 152664587. The next prime is 152664679. The reversal of 152664621 is 126466251.

152664621 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 152664621 - 2⁷ = 152664493 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152664691) 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, 29970 + ... + 34691.

It is an arithmetic number, because the mean of its divisors is an integer number (25476828).

Almost surely, 2^152664621 is an apocalyptic number.

It is an amenable number.

152664621 is a deficient number, since it is larger than the sum of its proper divisors (51150003).

152664621 is an equidigital number, since it uses as much as digits as its factorization.

152664621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65451.

The product of its digits is 17280, while the sum is 33.

The square root of 152664621 is about 12355.7525468909. The cubic root of 152664621 is about 534.4570390374.

The spelling of 152664621 in words is "one hundred fifty-two million, six hundred sixty-four thousand, six hundred twenty-one".