66696096 has 96 divisors (see below), whose sum is σ = 182020608. Its totient is φ = 21369600.

The previous prime is 66696079. The next prime is 66696107. The reversal of 66696096 is 69069666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 441621 + ... + 441771.

It is an arithmetic number, because the mean of its divisors is an integer number (1896048).

Almost surely, 2^66696096 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 66696096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91010304).

66696096 is an abundant number, since it is smaller than the sum of its proper divisors (115324512).

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

66696096 is a wasteful number, since it uses less digits than its factorization.

66696096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314 (or 306 counting only the distinct ones).

The product of its (nonzero) digits is 629856, while the sum is 48.

The square root of 66696096 is about 8166.7677816870. The cubic root of 66696096 is about 405.5397893108.

It can be divided in two parts, 666 and 96096, that multiplied together give a palindrome (63999936).

The spelling of 66696096 in words is "sixty-six million, six hundred ninety-six thousand, ninety-six".