166133415 has 32 divisors (see below), whose sum is σ = 304367616. Its totient is φ = 75801600.

The previous prime is 166133413. The next prime is 166133419. The reversal of 166133415 is 514331661.

It is not a de Polignac number, because 166133415 - 2¹ = 166133413 is a prime.

It is a super-3 number, since 3×166133415³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166133411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69490 + ... + 71840.

It is an arithmetic number, because the mean of its divisors is an integer number (9511488).

Almost surely, 2^166133415 is an apocalyptic number.

166133415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

166133415 is a deficient number, since it is larger than the sum of its proper divisors (138234201).

166133415 is a wasteful number, since it uses less digits than its factorization.

166133415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3039.

The product of its digits is 6480, while the sum is 30.

The square root of 166133415 is about 12889.2751929657. The cubic root of 166133415 is about 549.7336616797.

The spelling of 166133415 in words is "one hundred sixty-six million, one hundred thirty-three thousand, four hundred fifteen".