3161673440647 has 16 divisors (see below), whose sum is σ = 3288441640960. Its totient is φ = 3037084940448.

The previous prime is 3161673440603. The next prime is 3161673440657. The reversal of 3161673440647 is 7460443761613.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3161673440647 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3161673440594 and 3161673440603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3161673440657) 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, 65588488 + ... + 65636674.

It is an arithmetic number, because the mean of its divisors is an integer number (205527602560).

Almost surely, 2^{3161673440647} is an apocalyptic number.

3161673440647 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

3161673440647 is a deficient number, since it is larger than the sum of its proper divisors (126768200313).

3161673440647 is a wasteful number, since it uses less digits than its factorization.

3161673440647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70750.

The product of its (nonzero) digits is 6096384, while the sum is 52.

The spelling of 3161673440647 in words is "three trillion, one hundred sixty-one billion, six hundred seventy-three million, four hundred forty thousand, six hundred forty-seven".