166100434 has 16 divisors (see below), whose sum is σ = 260792640. Its totient is φ = 79192080.

The previous prime is 166100419. The next prime is 166100447. The reversal of 166100434 is 434001661.

It is a junction number, because it is equal to n+sod(n) for n = 166100399 and 166100408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9772 + ... + 20680.

It is an arithmetic number, because the mean of its divisors is an integer number (16299540).

Almost surely, 2^166100434 is an apocalyptic number.

166100434 is a deficient number, since it is larger than the sum of its proper divisors (94692206).

166100434 is a wasteful number, since it uses less digits than its factorization.

166100434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11265.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 166100434 is about 12887.9957324636. The cubic root of 166100434 is about 549.6972813488.

The spelling of 166100434 in words is "one hundred sixty-six million, one hundred thousand, four hundred thirty-four".