10173720884072 has 8 divisors (see below), whose sum is σ = 19075726657650. Its totient is φ = 5086860442032.

The previous prime is 10173720884071. The next prime is 10173720884077. The reversal of 10173720884072 is 27048802737101.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 8594360644996 + 1579360239076 = 2931614^2 + 1256726^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 10173720884072.

It is not an unprimeable number, because it can be changed into a prime (10173720884071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 635857555247 + ... + 635857555262.

Almost surely, 2^{10173720884072} is an apocalyptic number.

It is an amenable number.

10173720884072 is a deficient number, since it is larger than the sum of its proper divisors (8902005773578).

10173720884072 is a wasteful number, since it uses less digits than its factorization.

10173720884072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1271715110515 (or 1271715110511 counting only the distinct ones).

The product of its (nonzero) digits is 1053696, while the sum is 50.

The spelling of 10173720884072 in words is "ten trillion, one hundred seventy-three billion, seven hundred twenty million, eight hundred eighty-four thousand, seventy-two".