66114766 has 4 divisors (see below), whose sum is σ = 99172152. Its totient is φ = 33057382.

The previous prime is 66114749. The next prime is 66114767. The reversal of 66114766 is 66741166.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66741166 = 2 ⋅33370583.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66114767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16528690 + ... + 16528693.

It is an arithmetic number, because the mean of its divisors is an integer number (24793038).

Almost surely, 2^66114766 is an apocalyptic number.

66114766 is a deficient number, since it is larger than the sum of its proper divisors (33057386).

66114766 is a wasteful number, since it uses less digits than its factorization.

66114766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33057385.

The product of its digits is 36288, while the sum is 37.

The square root of 66114766 is about 8131.0986957483. The cubic root of 66114766 is about 404.3581073060.

The spelling of 66114766 in words is "sixty-six million, one hundred fourteen thousand, seven hundred sixty-six".