3656612166346 has 4 divisors (see below), whose sum is σ = 5484918249522. Its totient is φ = 1828306083172.

The previous prime is 3656612166343. The next prime is 3656612166409. The reversal of 3656612166346 is 6436612166563.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1842846975225 + 1813765191121 = 1357515^2 + 1346761^2 .

It is not an unprimeable number, because it can be changed into a prime (3656612166343) 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 as a sum of consecutive naturals, namely, 914153041585 + ... + 914153041588.

Almost surely, 2^{3656612166346} is an apocalyptic number.

3656612166346 is a deficient number, since it is larger than the sum of its proper divisors (1828306083176).

3656612166346 is a wasteful number, since it uses less digits than its factorization.

3656612166346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1828306083175.

The product of its digits is 16796160, while the sum is 55.

The spelling of 3656612166346 in words is "three trillion, six hundred fifty-six billion, six hundred twelve million, one hundred sixty-six thousand, three hundred forty-six".