166240334 has 16 divisors (see below), whose sum is σ = 275801568. Its totient is φ = 74652192.

The previous prime is 166240313. The next prime is 166240337. The reversal of 166240334 is 433042661.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 166240297 and 166240306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166240337) 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, 85442 + ... + 87365.

It is an arithmetic number, because the mean of its divisors is an integer number (17237598).

Almost surely, 2^166240334 is an apocalyptic number.

166240334 is a deficient number, since it is larger than the sum of its proper divisors (109561234).

166240334 is a wasteful number, since it uses less digits than its factorization.

166240334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172859.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 166240334 is about 12893.4221213765. The cubic root of 166240334 is about 549.8515676586.

Adding to 166240334 its reverse (433042661), we get a palindrome (599282995).

The spelling of 166240334 in words is "one hundred sixty-six million, two hundred forty thousand, three hundred thirty-four".