7066157172 has 12 divisors (see below), whose sum is σ = 16487700096. Its totient is φ = 2355385720.

The previous prime is 7066157167. The next prime is 7066157179. The reversal of 7066157172 is 2717516607.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7066157179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 294423204 + ... + 294423227.

It is an arithmetic number, because the mean of its divisors is an integer number (1373975008).

Almost surely, 2^7066157172 is an apocalyptic number.

It is an amenable number.

7066157172 is an abundant number, since it is smaller than the sum of its proper divisors (9421542924).

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

7066157172 is a wasteful number, since it uses less digits than its factorization.

7066157172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588846438 (or 588846436 counting only the distinct ones).

The product of its (nonzero) digits is 123480, while the sum is 42.

The square root of 7066157172 is about 84060.4376148495. The cubic root of 7066157172 is about 1918.9386831931.

The spelling of 7066157172 in words is "seven billion, sixty-six million, one hundred fifty-seven thousand, one hundred seventy-two".