166240435 has 8 divisors (see below), whose sum is σ = 208162080. Its totient is φ = 127209984.

The previous prime is 166240429. The next prime is 166240439. The reversal of 166240435 is 534042661.

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 166240435 - 2³ = 166240427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 166240397 and 166240406.

It is not an unprimeable number, because it can be changed into a prime (166240439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 722670 + ... + 722899.

It is an arithmetic number, because the mean of its divisors is an integer number (26020260).

Almost surely, 2^166240435 is an apocalyptic number.

166240435 is a deficient number, since it is larger than the sum of its proper divisors (41921645).

166240435 is a wasteful number, since it uses less digits than its factorization.

166240435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1445597.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 166240435 is about 12893.4260381017. The cubic root of 166240435 is about 549.8516790135.

The spelling of 166240435 in words is "one hundred sixty-six million, two hundred forty thousand, four hundred thirty-five".