3161670201172 has 48 divisors (see below), whose sum is σ = 6331619242368. Its totient is φ = 1353228624000.

The previous prime is 3161670201161. The next prime is 3161670201247. The reversal of 3161670201172 is 2711020761613.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71024922 + ... + 71069422.

It is an arithmetic number, because the mean of its divisors is an integer number (131908734216).

Almost surely, 2^{3161670201172} is an apocalyptic number.

It is an amenable number.

3161670201172 is an abundant number, since it is smaller than the sum of its proper divisors (3169949041196).

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

3161670201172 is a wasteful number, since it uses less digits than its factorization.

3161670201172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47776 (or 47774 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 37.

Adding to 3161670201172 its reverse (2711020761613), we get a palindrome (5872690962785).

The spelling of 3161670201172 in words is "three trillion, one hundred sixty-one billion, six hundred seventy million, two hundred one thousand, one hundred seventy-two".