30160172871572 has 6 divisors (see below), whose sum is σ = 52780302525258. Its totient is φ = 15080086435784.

The previous prime is 30160172871571. The next prime is 30160172871589. The reversal of 30160172871572 is 27517827106103.

It can be written as a sum of positive squares in only one way, i.e., 25398717201796 + 4761455669776 = 5039714^2 + 2182076^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 30160172871572.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30160172871571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3770021608943 + ... + 3770021608950.

It is an arithmetic number, because the mean of its divisors is an integer number (8796717087543).

Almost surely, 2^{30160172871572} is an apocalyptic number.

It is an amenable number.

30160172871572 is a deficient number, since it is larger than the sum of its proper divisors (22620129653686).

30160172871572 is a wasteful number, since it uses less digits than its factorization.

30160172871572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7540043217897 (or 7540043217895 counting only the distinct ones).

The product of its (nonzero) digits is 987840, while the sum is 50.

Adding to 30160172871572 its reverse (27517827106103), we get a palindrome (57677999977675).

The spelling of 30160172871572 in words is "thirty trillion, one hundred sixty billion, one hundred seventy-two million, eight hundred seventy-one thousand, five hundred seventy-two".