166828435 has 4 divisors (see below), whose sum is σ = 200194128. Its totient is φ = 133462744.

The previous prime is 166828421. The next prime is 166828447. The reversal of 166828435 is 534828661.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 166828435 - 2¹³ = 166820243 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 166828391 and 166828400.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16682839 + ... + 16682848.

It is an arithmetic number, because the mean of its divisors is an integer number (50048532).

Almost surely, 2^166828435 is an apocalyptic number.

166828435 is a deficient number, since it is larger than the sum of its proper divisors (33365693).

166828435 is an equidigital number, since it uses as much as digits as its factorization.

166828435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33365692.

The product of its digits is 276480, while the sum is 43.

The square root of 166828435 is about 12916.2082284237. The cubic root of 166828435 is about 550.4991996640.

It can be divided in two parts, 1668 and 28435, that added together give a palindrome (30103).

The spelling of 166828435 in words is "one hundred sixty-six million, eight hundred twenty-eight thousand, four hundred thirty-five".