3161920847184 has 240 divisors, whose sum is σ = 10361313690624. Its totient is φ = 889441689600.

The previous prime is 3161920847171. The next prime is 3161920847339. The reversal of 3161920847184 is 4817480291613.

3161920847184 is a `hidden beast` number, since 3 + 1 + 6 + 1 + 92 + 0 + 8 + 471 + 84 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 3161920847184.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1161489 + ... + 2769999.

Almost surely, 2^{3161920847184} is an apocalyptic number.

3161920847184 is a gapful number since it is divisible by the number (34) 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 3161920847184, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5180656845312).

3161920847184 is an abundant number, since it is smaller than the sum of its proper divisors (7199392843440).

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

3161920847184 is a wasteful number, since it uses less digits than its factorization.

3161920847184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1608626 (or 1608617 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 54.

The spelling of 3161920847184 in words is "three trillion, one hundred sixty-one billion, nine hundred twenty million, eight hundred forty-seven thousand, one hundred eighty-four".