66268376 has 8 divisors (see below), whose sum is σ = 124253220. Its totient is φ = 33134184.

The previous prime is 66268361. The next prime is 66268429. The reversal of 66268376 is 67386266.

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

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, 4141766 + ... + 4141781.

Almost surely, 2^66268376 is an apocalyptic number.

It is an amenable number.

66268376 is a deficient number, since it is larger than the sum of its proper divisors (57984844).

66268376 is a wasteful number, since it uses less digits than its factorization.

66268376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8283553 (or 8283549 counting only the distinct ones).

The product of its digits is 435456, while the sum is 44.

The square root of 66268376 is about 8140.5390484906. The cubic root of 66268376 is about 404.6710248288.

The spelling of 66268376 in words is "sixty-six million, two hundred sixty-eight thousand, three hundred seventy-six".