646325665094 has 16 divisors (see below), whose sum is σ = 970961755200. Its totient is φ = 322671893544.

The previous prime is 646325665091. The next prime is 646325665147. The reversal of 646325665094 is 490566523646.

It is a happy number.

646325665094 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (646325665091) 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, 9749849 + ... + 9815915.

It is an arithmetic number, because the mean of its divisors is an integer number (60685109700).

Almost surely, 2^646325665094 is an apocalyptic number.

646325665094 is a deficient number, since it is larger than the sum of its proper divisors (324636090106).

646325665094 is a wasteful number, since it uses less digits than its factorization.

646325665094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73427.

The product of its (nonzero) digits is 27993600, while the sum is 56.

The spelling of 646325665094 in words is "six hundred forty-six billion, three hundred twenty-five million, six hundred sixty-five thousand, ninety-four".