166262241 has 8 divisors (see below), whose sum is σ = 223301664. Its totient is φ = 110032160.

The previous prime is 166262237. The next prime is 166262267. The reversal of 166262241 is 142262661.

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

It is a cyclic number.

It is not a de Polignac number, because 166262241 - 2² = 166262237 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 166262199 and 166262208.

It is not an unprimeable number, because it can be changed into a prime (166262221) 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, 201855 + ... + 202676.

It is an arithmetic number, because the mean of its divisors is an integer number (27912708).

Almost surely, 2^166262241 is an apocalyptic number.

It is an amenable number.

166262241 is a deficient number, since it is larger than the sum of its proper divisors (57039423).

166262241 is a wasteful number, since it uses less digits than its factorization.

166262241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404671.

The product of its digits is 6912, while the sum is 30.

The square root of 166262241 is about 12894.2716351099. The cubic root of 166262241 is about 549.8757195776.

It can be divided in two parts, 1662 and 62241, that added together give a triangular number (63903 = T₃₅₇).

The spelling of 166262241 in words is "one hundred sixty-six million, two hundred sixty-two thousand, two hundred forty-one".