666097094 has 16 divisors (see below), whose sum is σ = 1139298048. Its totient is φ = 289345152.

The previous prime is 666097087. The next prime is 666097097. The reversal of 666097094 is 490790666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (666097097) 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, 753062 + ... + 753945.

It is an arithmetic number, because the mean of its divisors is an integer number (71206128).

Almost surely, 2^666097094 is an apocalyptic number.

666097094 is a deficient number, since it is larger than the sum of its proper divisors (473200954).

666097094 is a wasteful number, since it uses less digits than its factorization.

666097094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1507039.

The product of its (nonzero) digits is 489888, while the sum is 47.

The square root of 666097094 is about 25808.8568906102. The cubic root of 666097094 is about 873.3316100750.

The spelling of 666097094 in words is "six hundred sixty-six million, ninety-seven thousand, ninety-four".