3427517657656 has 16 divisors (see below), whose sum is σ = 6507944920800. Its totient is φ = 1692065678784.

The previous prime is 3427517657569. The next prime is 3427517657779. The reversal of 3427517657656 is 6567567157243.

It is a super-3 number, since 3×3427517657656³ (a number of 39 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2711643085 + ... + 2711644348.

It is an arithmetic number, because the mean of its divisors is an integer number (406746557550).

Almost surely, 2^{3427517657656} is an apocalyptic number.

It is an amenable number.

3427517657656 is a deficient number, since it is larger than the sum of its proper divisors (3080427263144).

3427517657656 is a wasteful number, since it uses less digits than its factorization.

3427517657656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5423287518 (or 5423287514 counting only the distinct ones).

The product of its digits is 222264000, while the sum is 64.

The spelling of 3427517657656 in words is "three trillion, four hundred twenty-seven billion, five hundred seventeen million, six hundred fifty-seven thousand, six hundred fifty-six".