166250671705652 has 12 divisors (see below), whose sum is σ = 293062315452900. Its totient is φ = 82518581576256.

The previous prime is 166250671705609. The next prime is 166250671705667. The reversal of 166250671705652 is 256507176052661.

It can be written as a sum of positive squares in 2 ways, for example, as 57834138975376 + 108416532730276 = 7604876^2 + 10412326^2 .

It is a junction number, because it is equal to n+sod(n) for n = 166250671705591 and 166250671705600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151688568527 + ... + 151688569622.

It is an arithmetic number, because the mean of its divisors is an integer number (24421859621075).

Almost surely, 2^{166250671705652} is an apocalyptic number.

It is an amenable number.

166250671705652 is a deficient number, since it is larger than the sum of its proper divisors (126811643747248).

166250671705652 is a wasteful number, since it uses less digits than its factorization.

166250671705652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303377138290 (or 303377138288 counting only the distinct ones).

The product of its (nonzero) digits is 31752000, while the sum is 59.

The spelling of 166250671705652 in words is "one hundred sixty-six trillion, two hundred fifty billion, six hundred seventy-one million, seven hundred five thousand, six hundred fifty-two".