666352063120355 has 16 divisors (see below), whose sum is σ = 799989124334400. Its totient is φ = 532837254090240.

The previous prime is 666352063120351. The next prime is 666352063120379. The reversal of 666352063120355 is 553021360253666.

It is not a de Polignac number, because 666352063120355 - 2² = 666352063120351 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 666352063120297 and 666352063120306.

It is not an unprimeable number, because it can be changed into a prime (666352063120351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146338010 + ... + 150822800.

It is an arithmetic number, because the mean of its divisors is an integer number (49999320270900).

Almost surely, 2^{666352063120355} is an apocalyptic number.

666352063120355 is a deficient number, since it is larger than the sum of its proper divisors (133637061214045).

666352063120355 is a wasteful number, since it uses less digits than its factorization.

666352063120355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4498414.

The product of its (nonzero) digits is 17496000, while the sum is 53.

The spelling of 666352063120355 in words is "six hundred sixty-six trillion, three hundred fifty-two billion, sixty-three million, one hundred twenty thousand, three hundred fifty-five".