166801034 has 4 divisors (see below), whose sum is σ = 250201554. Its totient is φ = 83400516.

The previous prime is 166801027. The next prime is 166801043. The reversal of 166801034 is 430108661.

166801034 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 430108661 = 43 ⋅10002527.

It can be written as a sum of positive squares in only one way, i.e., 165045409 + 1755625 = 12847^2 + 1325^2 .

It is a junction number, because it is equal to n+sod(n) for n = 166800988 and 166801006.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41700257 + ... + 41700260.

Almost surely, 2^166801034 is an apocalyptic number.

166801034 is a deficient number, since it is larger than the sum of its proper divisors (83400520).

166801034 is an equidigital number, since it uses as much as digits as its factorization.

166801034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83400519.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 166801034 is about 12915.1474633471. The cubic root of 166801034 is about 550.4690588101.

Adding to 166801034 its reverse (430108661), we get a palindrome (596909695).

The spelling of 166801034 in words is "one hundred sixty-six million, eight hundred one thousand, thirty-four".