3656261564246 has 16 divisors (see below), whose sum is σ = 5673581085600. Its totient is φ = 1765069463808.

The previous prime is 3656261564239. The next prime is 3656261564281. The reversal of 3656261564246 is 6424651626563.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 3656261564191 and 3656261564200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4807415 + ... + 5515773.

It is an arithmetic number, because the mean of its divisors is an integer number (354598817850).

Almost surely, 2^{3656261564246} is an apocalyptic number.

3656261564246 is a deficient number, since it is larger than the sum of its proper divisors (2017319521354).

3656261564246 is a wasteful number, since it uses less digits than its factorization.

3656261564246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797383.

The product of its digits is 37324800, while the sum is 56.

The spelling of 3656261564246 in words is "three trillion, six hundred fifty-six billion, two hundred sixty-one million, five hundred sixty-four thousand, two hundred forty-six".