66088816094 has 16 divisors (see below), whose sum is σ = 113950002528. Its totient is φ = 28160056032.

The previous prime is 66088816091. The next prime is 66088816111. The reversal of 66088816094 is 49061888066.

It is a super-2 number, since 2×66088816094² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66088816091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13641017 + ... + 13645860.

It is an arithmetic number, because the mean of its divisors is an integer number (7121875158).

Almost surely, 2^66088816094 is an apocalyptic number.

66088816094 is a deficient number, since it is larger than the sum of its proper divisors (47861186434).

66088816094 is a wasteful number, since it uses less digits than its factorization.

66088816094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27287059.

The product of its (nonzero) digits is 3981312, while the sum is 56.

The spelling of 66088816094 in words is "sixty-six billion, eighty-eight million, eight hundred sixteen thousand, ninety-four".