666001129053 has 32 divisors (see below), whose sum is σ = 970819516800. Its totient is φ = 403631179776.

The previous prime is 666001129049. The next prime is 666001129099. The reversal of 666001129053 is 350921100666.

666001129053 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 666001129053 - 2² = 666001129049 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (666001129753) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11491813 + ... + 11549621.

It is an arithmetic number, because the mean of its divisors is an integer number (30338109900).

Almost surely, 2^666001129053 is an apocalyptic number.

It is an amenable number.

666001129053 is a deficient number, since it is larger than the sum of its proper divisors (304818387747).

666001129053 is a wasteful number, since it uses less digits than its factorization.

666001129053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62301.

The product of its (nonzero) digits is 58320, while the sum is 39.

The spelling of 666001129053 in words is "six hundred sixty-six billion, one million, one hundred twenty-nine thousand, fifty-three".