56667617264371 has 16 divisors (see below), whose sum is σ = 62510747120640. Its totient is φ = 51130585281600.

The previous prime is 56667617264351. The next prime is 56667617264387. The reversal of 56667617264371 is 17346271676665.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 56667617264371 - 2²³ = 56667608875763 is a prime.

It is a super-2 number, since 2×56667617264371² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56667617264297 and 56667617264306.

It is not an unprimeable number, because it can be changed into a prime (56667617264351) 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, 278168955 + ... + 278372596.

It is an arithmetic number, because the mean of its divisors is an integer number (3906921695040).

Almost surely, 2^{56667617264371} is an apocalyptic number.

56667617264371 is a deficient number, since it is larger than the sum of its proper divisors (5843129856269).

56667617264371 is a wasteful number, since it uses less digits than its factorization.

56667617264371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556541826.

The product of its digits is 320060160, while the sum is 67.

The spelling of 56667617264371 in words is "fifty-six trillion, six hundred sixty-seven billion, six hundred seventeen million, two hundred sixty-four thousand, three hundred seventy-one".