3673572961556 has 48 divisors (see below), whose sum is σ = 6542904238080. Its totient is φ = 1804410972000.

The previous prime is 3673572961493. The next prime is 3673572961571. The reversal of 3673572961556 is 6551692753763.

It is a super-2 number, since 2×3673572961556² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3673572961492 and 3673572961501.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 324773141 + ... + 324784451.

It is an arithmetic number, because the mean of its divisors is an integer number (136310504960).

Almost surely, 2^{3673572961556} is an apocalyptic number.

It is an amenable number.

3673572961556 is a deficient number, since it is larger than the sum of its proper divisors (2869331276524).

3673572961556 is a wasteful number, since it uses less digits than its factorization.

3673572961556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16476 (or 16474 counting only the distinct ones).

The product of its digits is 214326000, while the sum is 65.

The spelling of 3673572961556 in words is "three trillion, six hundred seventy-three billion, five hundred seventy-two million, nine hundred sixty-one thousand, five hundred fifty-six".