166848135 has 16 divisors (see below), whose sum is σ = 267504000. Its totient is φ = 88803360.

The previous prime is 166848131. The next prime is 166848151. The reversal of 166848135 is 531848661.

It is not a de Polignac number, because 166848135 - 2² = 166848131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166848131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3661 + ... + 18630.

It is an arithmetic number, because the mean of its divisors is an integer number (16719000).

Almost surely, 2^166848135 is an apocalyptic number.

166848135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

166848135 is a deficient number, since it is larger than the sum of its proper divisors (100655865).

166848135 is a wasteful number, since it uses less digits than its factorization.

166848135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22798.

The product of its digits is 138240, while the sum is 42.

The square root of 166848135 is about 12916.9708136234. The cubic root of 166848135 is about 550.5208674478.

The spelling of 166848135 in words is "one hundred sixty-six million, eight hundred forty-eight thousand, one hundred thirty-five".