2170253666522 has 8 divisors (see below), whose sum is σ = 3324643914816. Its totient is φ = 1062039028252.

The previous prime is 2170253666447. The next prime is 2170253666531. The reversal of 2170253666522 is 2256663520712.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11543902388 + ... + 11543902575.

It is an arithmetic number, because the mean of its divisors is an integer number (415580489352).

Almost surely, 2^{2170253666522} is an apocalyptic number.

2170253666522 is a deficient number, since it is larger than the sum of its proper divisors (1154390248294).

2170253666522 is a wasteful number, since it uses less digits than its factorization.

2170253666522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23087805012.

The product of its (nonzero) digits is 1814400, while the sum is 47.

The spelling of 2170253666522 in words is "two trillion, one hundred seventy billion, two hundred fifty-three million, six hundred sixty-six thousand, five hundred twenty-two".