3171648795942 has 128 divisors (see below), whose sum is σ = 7248328851456. Its totient is φ = 916428240000.

The previous prime is 3171648795907. The next prime is 3171648796007. The reversal of 3171648795942 is 2495978461713.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 268300392 + ... + 268312212.

It is an arithmetic number, because the mean of its divisors is an integer number (56627569152).

Almost surely, 2^{3171648795942} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3171648795942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3624164425728).

3171648795942 is an abundant number, since it is smaller than the sum of its proper divisors (4076680055514).

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

3171648795942 is a wasteful number, since it uses less digits than its factorization.

3171648795942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13786.

The product of its digits is 91445760, while the sum is 66.

The spelling of 3171648795942 in words is "three trillion, one hundred seventy-one billion, six hundred forty-eight million, seven hundred ninety-five thousand, nine hundred forty-two".