356664558349 has 16 divisors (see below), whose sum is σ = 391165179840. Its totient is φ = 322510556160.

The previous prime is 356664558347. The next prime is 356664558377. The reversal of 356664558349 is 943855466653.

It is a cyclic number.

It is not a de Polignac number, because 356664558349 - 2¹ = 356664558347 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (356664558347) 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, 25275754 + ... + 25289860.

It is an arithmetic number, because the mean of its divisors is an integer number (24447823740).

Almost surely, 2^356664558349 is an apocalyptic number.

It is an amenable number.

356664558349 is a deficient number, since it is larger than the sum of its proper divisors (34500621491).

356664558349 is a wasteful number, since it uses less digits than its factorization.

356664558349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26220.

The product of its digits is 279936000, while the sum is 64.

The spelling of 356664558349 in words is "three hundred fifty-six billion, six hundred sixty-four million, five hundred fifty-eight thousand, three hundred forty-nine".