7647163183212 has 96 divisors (see below), whose sum is σ = 20676206208000. Its totient is φ = 2154512535552.

The previous prime is 7647163183211. The next prime is 7647163183213. The reversal of 7647163183212 is 2123813617467.

It is an interprime number because it is at equal distance from previous prime (7647163183211) and next prime (7647163183213).

It is not an unprimeable number, because it can be changed into a prime (7647163183211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29051164 + ... + 29313212.

It is an arithmetic number, because the mean of its divisors is an integer number (215377148000).

Almost surely, 2^{7647163183212} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7647163183212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10338103104000).

7647163183212 is an abundant number, since it is smaller than the sum of its proper divisors (13029043024788).

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

7647163183212 is a wasteful number, since it uses less digits than its factorization.

7647163183212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266895 (or 266893 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 51.

The spelling of 7647163183212 in words is "seven trillion, six hundred forty-seven billion, one hundred sixty-three million, one hundred eighty-three thousand, two hundred twelve".