166125441 has 8 divisors (see below), whose sum is σ = 221987104. Its totient is φ = 110507040.

The previous prime is 166125437. The next prime is 166125461. The reversal of 166125441 is 144521661.

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

It is not a de Polignac number, because 166125441 - 2² = 166125437 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 166125399 and 166125408.

It is not an unprimeable number, because it can be changed into a prime (166125461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59215 + ... + 61956.

It is an arithmetic number, because the mean of its divisors is an integer number (27748388).

Almost surely, 2^166125441 is an apocalyptic number.

It is an amenable number.

166125441 is a deficient number, since it is larger than the sum of its proper divisors (55861663).

166125441 is a wasteful number, since it uses less digits than its factorization.

166125441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121631.

The product of its digits is 5760, while the sum is 30.

The square root of 166125441 is about 12888.9658623180. The cubic root of 166125441 is about 549.7248662459.

The spelling of 166125441 in words is "one hundred sixty-six million, one hundred twenty-five thousand, four hundred forty-one".