3160812551561 has 8 divisors (see below), whose sum is σ = 3613127300544. Its totient is φ = 2708690327280.

The previous prime is 3160812551549. The next prime is 3160812551573. The reversal of 3160812551561 is 1651552180613.

It is an interprime number because it is at equal distance from previous prime (3160812551549) and next prime (3160812551573).

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

It is not a de Polignac number, because 3160812551561 - 2³⁸ = 2885934644617 is a prime.

It is a super-2 number, since 2×3160812551561² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3160812551531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48095990 + ... + 48161663.

It is an arithmetic number, because the mean of its divisors is an integer number (451640912568).

Almost surely, 2^{3160812551561} is an apocalyptic number.

It is an amenable number.

3160812551561 is a deficient number, since it is larger than the sum of its proper divisors (452314748983).

3160812551561 is an equidigital number, since it uses as much as digits as its factorization.

3160812551561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96262351.

The product of its (nonzero) digits is 216000, while the sum is 44.

The spelling of 3160812551561 in words is "three trillion, one hundred sixty billion, eight hundred twelve million, five hundred fifty-one thousand, five hundred sixty-one".