356040666523 has 8 divisors (see below), whose sum is σ = 377014242960. Its totient is φ = 335070424320.

The previous prime is 356040666511. The next prime is 356040666581. The reversal of 356040666523 is 325666040653.

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

It is not a de Polignac number, because 356040666523 - 2¹⁷ = 356040535451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (356040666923) 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, 612018 + ... + 1042423.

It is an arithmetic number, because the mean of its divisors is an integer number (47126780370).

Almost surely, 2^356040666523 is an apocalyptic number.

356040666523 is a deficient number, since it is larger than the sum of its proper divisors (20973576437).

356040666523 is a wasteful number, since it uses less digits than its factorization.

356040666523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1667117.

The product of its (nonzero) digits is 2332800, while the sum is 46.

The spelling of 356040666523 in words is "three hundred fifty-six billion, forty million, six hundred sixty-six thousand, five hundred twenty-three".