66150405021201 has 8 divisors (see below), whose sum is σ = 90077147263104. Its totient is φ = 43161966396720.

The previous prime is 66150405021157. The next prime is 66150405021269. The reversal of 66150405021201 is 10212050405166.

66150405021201 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 66150405021201 - 2³¹ = 66148257537553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66150405021271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234575904190 + ... + 234575904471.

It is an arithmetic number, because the mean of its divisors is an integer number (11259643407888).

Almost surely, 2^{66150405021201} is an apocalyptic number.

It is an amenable number.

66150405021201 is a deficient number, since it is larger than the sum of its proper divisors (23926742241903).

66150405021201 is a wasteful number, since it uses less digits than its factorization.

66150405021201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469151808711.

The product of its (nonzero) digits is 14400, while the sum is 33.

Adding to 66150405021201 its reverse (10212050405166), we get a palindrome (76362455426367).

The spelling of 66150405021201 in words is "sixty-six trillion, one hundred fifty billion, four hundred five million, twenty-one thousand, two hundred one".