166838835 has 8 divisors (see below), whose sum is σ = 266942160. Its totient is φ = 88980704.

The previous prime is 166838831. The next prime is 166838873. The reversal of 166838835 is 538838661.

166838835 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 166838835 - 2² = 166838831 is a prime.

It is not an unprimeable number, because it can be changed into a prime (166838831) 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, 5561280 + ... + 5561309.

It is an arithmetic number, because the mean of its divisors is an integer number (33367770).

Almost surely, 2^166838835 is an apocalyptic number.

166838835 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

166838835 is a deficient number, since it is larger than the sum of its proper divisors (100103325).

166838835 is a wasteful number, since it uses less digits than its factorization.

166838835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11122597.

The product of its digits is 829440, while the sum is 48.

The square root of 166838835 is about 12916.6108170836. The cubic root of 166838835 is about 550.5106387066.

The spelling of 166838835 in words is "one hundred sixty-six million, eight hundred thirty-eight thousand, eight hundred thirty-five".