7172493758664 has 64 divisors (see below), whose sum is σ = 19310856882240. Its totient is φ = 2206887240960.

The previous prime is 7172493758663. The next prime is 7172493758737. The reversal of 7172493758664 is 4668573942717.

It is not an unprimeable number, because it can be changed into a prime (7172493758663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26701794 + ... + 26969070.

It is an arithmetic number, because the mean of its divisors is an integer number (301732138785).

Almost surely, 2^{7172493758664} is an apocalyptic number.

It is an amenable number.

7172493758664 is an abundant number, since it is smaller than the sum of its proper divisors (12138363123576).

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

7172493758664 is a wasteful number, since it uses less digits than its factorization.

7172493758664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353310 (or 353306 counting only the distinct ones).

The product of its digits is 426746880, while the sum is 69.

The spelling of 7172493758664 in words is "seven trillion, one hundred seventy-two billion, four hundred ninety-three million, seven hundred fifty-eight thousand, six hundred sixty-four".