66069496 has 8 divisors (see below), whose sum is σ = 123880320. Its totient is φ = 33034744.

The previous prime is 66069469. The next prime is 66069499. The reversal of 66069496 is 69496066.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66069499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4129336 + ... + 4129351.

It is an arithmetic number, because the mean of its divisors is an integer number (15485040).

Almost surely, 2^66069496 is an apocalyptic number.

It is an amenable number.

66069496 is a deficient number, since it is larger than the sum of its proper divisors (57810824).

66069496 is a wasteful number, since it uses less digits than its factorization.

66069496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8258693 (or 8258689 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 46.

The square root of 66069496 is about 8128.3144624209. The cubic root of 66069496 is about 404.2657957484.

The spelling of 66069496 in words is "sixty-six million, sixty-nine thousand, four hundred ninety-six".