66949088 has 24 divisors (see below), whose sum is σ = 136059840. Its totient is φ = 32394240.

The previous prime is 66949087. The next prime is 66949117. The reversal of 66949088 is 88094966.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66949087) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 32753 + ... + 34736.

It is an arithmetic number, because the mean of its divisors is an integer number (5669160).

Almost surely, 2^66949088 is an apocalyptic number.

It is an amenable number.

66949088 is an abundant number, since it is smaller than the sum of its proper divisors (69110752).

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

66949088 is a wasteful number, since it uses less digits than its factorization.

66949088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67530 (or 67522 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 50.

The square root of 66949088 is about 8182.2422354756. The cubic root of 66949088 is about 406.0519075891.

The spelling of 66949088 in words is "sixty-six million, nine hundred forty-nine thousand, eighty-eight".