56667616763065 has 48 divisors (see below), whose sum is σ = 85432236656256. Its totient is φ = 35321414768640.

The previous prime is 56667616763029. The next prime is 56667616763083. The reversal of 56667616763065 is 56036761676665.

It is not a de Polignac number, because 56667616763065 - 2⁷ = 56667616762937 is a prime.

It is a super-2 number, since 2×56667616763065² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 56667616762985 and 56667616763003.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 38351257 + ... + 39801433.

It is an arithmetic number, because the mean of its divisors is an integer number (1779838263672).

Almost surely, 2^{56667616763065} is an apocalyptic number.

56667616763065 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56667616763065 is a deficient number, since it is larger than the sum of its proper divisors (28764619893191).

56667616763065 is a wasteful number, since it uses less digits than its factorization.

56667616763065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1459438 (or 1459427 counting only the distinct ones).

The product of its (nonzero) digits is 1028764800, while the sum is 70.

The spelling of 56667616763065 in words is "fifty-six trillion, six hundred sixty-seven billion, six hundred sixteen million, seven hundred sixty-three thousand, sixty-five".