3555065631623 has 16 divisors (see below), whose sum is σ = 3937017522816. Its totient is φ = 3182929321440.

The previous prime is 3555065631589. The next prime is 3555065631659. The reversal of 3555065631623 is 3261365605553.

It is not a de Polignac number, because 3555065631623 - 2³⁶ = 3486346154887 is a prime.

It is a super-2 number, since 2×3555065631623² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3555065621623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2774540 + ... + 3848142.

It is an arithmetic number, because the mean of its divisors is an integer number (246063595176).

Almost surely, 2^{3555065631623} is an apocalyptic number.

3555065631623 is a deficient number, since it is larger than the sum of its proper divisors (381951891193).

3555065631623 is a wasteful number, since it uses less digits than its factorization.

3555065631623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1078174.

The product of its (nonzero) digits is 7290000, while the sum is 50.

The spelling of 3555065631623 in words is "three trillion, five hundred fifty-five billion, sixty-five million, six hundred thirty-one thousand, six hundred twenty-three".