66834054 has 24 divisors (see below), whose sum is σ = 165494160. Its totient is φ = 19095408.

The previous prime is 66834043. The next prime is 66834091. The reversal of 66834054 is 45043866.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 265089 + ... + 265340.

It is an arithmetic number, because the mean of its divisors is an integer number (6895590).

Almost surely, 2^66834054 is an apocalyptic number.

66834054 is an abundant number, since it is smaller than the sum of its proper divisors (98660106).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66834054 is a wasteful number, since it uses less digits than its factorization.

66834054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530444 (or 530441 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 66834054 is about 8175.2097220805. The cubic root of 66834054 is about 405.8192106009.

The spelling of 66834054 in words is "sixty-six million, eight hundred thirty-four thousand, fifty-four".