3246656140461 has 8 divisors (see below), whose sum is σ = 4328927749504. Its totient is φ = 2164410979200.

The previous prime is 3246656140457. The next prime is 3246656140477. The reversal of 3246656140461 is 1640416566423.

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

It is not a de Polignac number, because 3246656140461 - 2² = 3246656140457 is a prime.

It is a super-4 number, since 4×3246656140461⁴ (a number of 51 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3246656140461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3246656140061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6323716 + ... + 6817821.

It is an arithmetic number, because the mean of its divisors is an integer number (541115968688).

Almost surely, 2^{3246656140461} is an apocalyptic number.

It is an amenable number.

3246656140461 is a deficient number, since it is larger than the sum of its proper divisors (1082271609043).

3246656140461 is a wasteful number, since it uses less digits than its factorization.

3246656140461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13223891.

The product of its (nonzero) digits is 2488320, while the sum is 48.

The spelling of 3246656140461 in words is "three trillion, two hundred forty-six billion, six hundred fifty-six million, one hundred forty thousand, four hundred sixty-one".