3161115091680 has 768 divisors, whose sum is σ = 12504195680256. Its totient is φ = 653505822720.

The previous prime is 3161115091661. The next prime is 3161115091699. The reversal of 3161115091680 is 861905111613.

It is an interprime number because it is at equal distance from previous prime (3161115091661) and next prime (3161115091699).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 738058819 + ... + 738063101.

It is an arithmetic number, because the mean of its divisors is an integer number (16281504792).

Almost surely, 2^{3161115091680} is an apocalyptic number.

3161115091680 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3161115091680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6252097840128).

3161115091680 is an abundant number, since it is smaller than the sum of its proper divisors (9343080588576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3161115091680 is a wasteful number, since it uses less digits than its factorization.

3161115091680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4659 (or 4651 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 42.

The spelling of 3161115091680 in words is "three trillion, one hundred sixty-one billion, one hundred fifteen million, ninety-one thousand, six hundred eighty".