66134004 has 48 divisors (see below), whose sum is σ = 158073216. Its totient is φ = 21513600.

The previous prime is 66133999. The next prime is 66134017. The reversal of 66134004 is 40043166.

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 15 ways as a sum of consecutive naturals, for example, 121974 + ... + 122514.

It is an arithmetic number, because the mean of its divisors is an integer number (3293192).

Almost surely, 2^66134004 is an apocalyptic number.

It is an amenable number.

66134004 is an abundant number, since it is smaller than the sum of its proper divisors (91939212).

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

66134004 is a wasteful number, since it uses less digits than its factorization.

66134004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776 (or 774 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 66134004 is about 8132.2815986659. The cubic root of 66134004 is about 404.3973233912.

The spelling of 66134004 in words is "sixty-six million, one hundred thirty-four thousand, four".