3555168720372 has 18 divisors (see below), whose sum is σ = 8986676487698. Its totient is φ = 1185056240112.

The previous prime is 3555168720359. The next prime is 3555168720373. The reversal of 3555168720372 is 2730278615553.

3555168720372 is a `hidden beast` number, since 3 + 5 + 551 + 6 + 87 + 2 + 0 + 3 + 7 + 2 = 666.

3555168720372 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2952362443536 + 602806276836 = 1718244^2 + 776406^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×3555168720372² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3555168720373) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 49377343303 + ... + 49377343374.

Almost surely, 2^{3555168720372} is an apocalyptic number.

It is an amenable number.

3555168720372 is an abundant number, since it is smaller than the sum of its proper divisors (5431507767326).

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

3555168720372 is a wasteful number, since it uses less digits than its factorization.

3555168720372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98754686687 (or 98754686682 counting only the distinct ones).

The product of its (nonzero) digits is 10584000, while the sum is 54.

The spelling of 3555168720372 in words is "three trillion, five hundred fifty-five billion, one hundred sixty-eight million, seven hundred twenty thousand, three hundred seventy-two".