2171662210752 has 56 divisors (see below), whose sum is σ = 5746093446576. Its totient is φ = 723857522688.

The previous prime is 2171662210723. The next prime is 2171662210777. The reversal of 2171662210752 is 2570122661712.

It is a super-2 number, since 2×2171662210752² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4700908 + ... + 5142164.

It is an arithmetic number, because the mean of its divisors is an integer number (102608811546).

Almost surely, 2^{2171662210752} is an apocalyptic number.

It is an amenable number.

2171662210752 is an abundant number, since it is smaller than the sum of its proper divisors (3574431235824).

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

2171662210752 is a wasteful number, since it uses less digits than its factorization.

2171662210752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466905 (or 466895 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 42.

The spelling of 2171662210752 in words is "two trillion, one hundred seventy-one billion, six hundred sixty-two million, two hundred ten thousand, seven hundred fifty-two".