2171676619252 has 96 divisors (see below), whose sum is σ = 4589466255360. Its totient is φ = 879488616960.

The previous prime is 2171676619243. The next prime is 2171676619291. The reversal of 2171676619252 is 2529166761712.

It is a junction number, because it is equal to n+sod(n) for n = 2171676619193 and 2171676619202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17603199 + ... + 17726137.

It is an arithmetic number, because the mean of its divisors is an integer number (47806940160).

Almost surely, 2^{2171676619252} 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 2171676619252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2294733127680).

2171676619252 is an abundant number, since it is smaller than the sum of its proper divisors (2417789636108).

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

2171676619252 is a wasteful number, since it uses less digits than its factorization.

2171676619252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123461 (or 123459 counting only the distinct ones).

The product of its digits is 3810240, while the sum is 55.

The spelling of 2171676619252 in words is "two trillion, one hundred seventy-one billion, six hundred seventy-six million, six hundred nineteen thousand, two hundred fifty-two".