3941665756972 has 24 divisors (see below), whose sum is σ = 6934252066560. Its totient is φ = 1960451543040.

The previous prime is 3941665756813. The next prime is 3941665756981. The reversal of 3941665756972 is 2796575661493.

It is a super-3 number, since 3×3941665756972³ (a number of 39 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31819138 + ... + 31942774.

It is an arithmetic number, because the mean of its divisors is an integer number (288927169440).

Almost surely, 2^{3941665756972} is an apocalyptic number.

It is an amenable number.

3941665756972 is a deficient number, since it is larger than the sum of its proper divisors (2992586309588).

3941665756972 is a wasteful number, since it uses less digits than its factorization.

3941665756972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165561 (or 165559 counting only the distinct ones).

The product of its digits is 514382400, while the sum is 70.

The spelling of 3941665756972 in words is "three trillion, nine hundred forty-one billion, six hundred sixty-five million, seven hundred fifty-six thousand, nine hundred seventy-two".