2656521164246 has 8 divisors (see below), whose sum is σ = 4219180672680. Its totient is φ = 1250127606688.

The previous prime is 2656521164197. The next prime is 2656521164273. The reversal of 2656521164246 is 6424611256562.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2656521164194 and 2656521164203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39066487676 + ... + 39066487743.

It is an arithmetic number, because the mean of its divisors is an integer number (527397584085).

Almost surely, 2^{2656521164246} is an apocalyptic number.

2656521164246 is a deficient number, since it is larger than the sum of its proper divisors (1562659508434).

2656521164246 is a wasteful number, since it uses less digits than its factorization.

2656521164246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78132975438.

The product of its digits is 4147200, while the sum is 50.

The spelling of 2656521164246 in words is "two trillion, six hundred fifty-six billion, five hundred twenty-one million, one hundred sixty-four thousand, two hundred forty-six".