3555386601672 has 16 divisors (see below), whose sum is σ = 8888466504240. Its totient is φ = 1185128867216.

The previous prime is 3555386601671. The next prime is 3555386601673. The reversal of 3555386601672 is 2761066835553.

It is a happy number.

3555386601672 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3555386601671) and next prime (3555386601673).

It is not an unprimeable number, because it can be changed into a prime (3555386601671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74070554178 + ... + 74070554225.

It is an arithmetic number, because the mean of its divisors is an integer number (555529156515).

Almost surely, 2^{3555386601672} is an apocalyptic number.

It is an amenable number.

3555386601672 is an abundant number, since it is smaller than the sum of its proper divisors (5333079902568).

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

3555386601672 is a wasteful number, since it uses less digits than its factorization.

3555386601672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148141108412 (or 148141108408 counting only the distinct ones).

The product of its (nonzero) digits is 27216000, while the sum is 57.

The spelling of 3555386601672 in words is "three trillion, five hundred fifty-five billion, three hundred eighty-six million, six hundred one thousand, six hundred seventy-two".