152066165221 has 8 divisors (see below), whose sum is σ = 155618892000. Its totient is φ = 148514179632.

The previous prime is 152066165123. The next prime is 152066165249. The reversal of 152066165221 is 122561660251.

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

It is a cyclic number.

It is not a de Polignac number, because 152066165221 - 2⁹ = 152066164709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152066165291) 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, 241155 + ... + 601903.

It is an arithmetic number, because the mean of its divisors is an integer number (19452361500).

Almost surely, 2^152066165221 is an apocalyptic number.

It is an amenable number.

152066165221 is a deficient number, since it is larger than the sum of its proper divisors (3552726779).

152066165221 is an equidigital number, since it uses as much as digits as its factorization.

152066165221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370595.

The product of its (nonzero) digits is 43200, while the sum is 37.

The spelling of 152066165221 in words is "one hundred fifty-two billion, sixty-six million, one hundred sixty-five thousand, two hundred twenty-one".