66307462718 has 32 divisors (see below), whose sum is σ = 113954244096. Its totient is φ = 28346498208.

The previous prime is 66307462621. The next prime is 66307462729. The reversal of 66307462718 is 81726470366.

It is a super-2 number, since 2×66307462718² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

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, 11726780 + ... + 11732432.

It is an arithmetic number, because the mean of its divisors is an integer number (3561070128).

Almost surely, 2^66307462718 is an apocalyptic number.

66307462718 is a deficient number, since it is larger than the sum of its proper divisors (47646781378).

66307462718 is a wasteful number, since it uses less digits than its factorization.

66307462718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7608.

The product of its (nonzero) digits is 2032128, while the sum is 50.

The spelling of 66307462718 in words is "sixty-six billion, three hundred seven million, four hundred sixty-two thousand, seven hundred eighteen".