166441343356252 has 36 divisors (see below), whose sum is σ = 304589958522696. Its totient is φ = 79575458633440.

The previous prime is 166441343356241. The next prime is 166441343356307. The reversal of 166441343356252 is 252653343144661.

It is a junction number, because it is equal to n+sod(n) for n = 166441343356193 and 166441343356202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7043374 + ... + 19557397.

It is an arithmetic number, because the mean of its divisors is an integer number (8460832181186).

Almost surely, 2^{166441343356252} is an apocalyptic number.

It is an amenable number.

166441343356252 is a deficient number, since it is larger than the sum of its proper divisors (138148615166444).

166441343356252 is a wasteful number, since it uses less digits than its factorization.

166441343356252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26603778 (or 26603753 counting only the distinct ones).

The product of its digits is 37324800, while the sum is 55.

The spelling of 166441343356252 in words is "one hundred sixty-six trillion, four hundred forty-one billion, three hundred forty-three million, three hundred fifty-six thousand, two hundred fifty-two".