66543088 has 10 divisors (see below), whose sum is σ = 128927264. Its totient is φ = 33271536.

The previous prime is 66543031. The next prime is 66543107. The reversal of 66543088 is 88034566.

It is a self number, because there is not a number n which added to its sum of digits gives 66543088.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2079456 + ... + 2079487.

Almost surely, 2^66543088 is an apocalyptic number.

It is an amenable number.

66543088 is a deficient number, since it is larger than the sum of its proper divisors (62384176).

66543088 is a wasteful number, since it uses less digits than its factorization.

66543088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4158951 (or 4158945 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 66543088 is about 8157.3946821274. The cubic root of 66543088 is about 405.2294345985.

The spelling of 66543088 in words is "sixty-six million, five hundred forty-three thousand, eighty-eight".