694166658340 has 24 divisors (see below), whose sum is σ = 1458188807040. Its totient is φ = 277583077728.

The previous prime is 694166658313. The next prime is 694166658431. The reversal of 694166658340 is 43856661496.

It is a happy number.

694166658340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5155980 + ... + 5288899.

It is an arithmetic number, because the mean of its divisors is an integer number (60757866960).

Almost surely, 2^694166658340 is an apocalyptic number.

It is an amenable number.

694166658340 is an abundant number, since it is smaller than the sum of its proper divisors (764022148700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

694166658340 is a wasteful number, since it uses less digits than its factorization.

694166658340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10448211 (or 10448209 counting only the distinct ones).

The product of its (nonzero) digits is 22394880, while the sum is 58.

The spelling of 694166658340 in words is "six hundred ninety-four billion, one hundred sixty-six million, six hundred fifty-eight thousand, three hundred forty".