667834964094 has 8 divisors (see below), whose sum is σ = 1335669928200. Its totient is φ = 222611654696.

The previous prime is 667834964081. The next prime is 667834964113. The reversal of 667834964094 is 490469438766.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

667834964094 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55652913669 + ... + 55652913680.

It is an arithmetic number, because the mean of its divisors is an integer number (166958741025).

Almost surely, 2^667834964094 is an apocalyptic number.

667834964094 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

667834964094 is a wasteful number, since it uses less digits than its factorization.

667834964094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111305827354.

The product of its (nonzero) digits is 188116992, while the sum is 66.

The spelling of 667834964094 in words is "six hundred sixty-seven billion, eight hundred thirty-four million, nine hundred sixty-four thousand, ninety-four".