65667264056 has 8 divisors (see below), whose sum is σ = 123126120120. Its totient is φ = 32833632024.

The previous prime is 65667264043. The next prime is 65667264101. The reversal of 65667264056 is 65046276656.

65667264056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×65667264056² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 65667263989 and 65667264007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4104203996 + ... + 4104204011.

It is an arithmetic number, because the mean of its divisors is an integer number (15390765015).

Almost surely, 2^65667264056 is an apocalyptic number.

It is an amenable number.

65667264056 is a deficient number, since it is larger than the sum of its proper divisors (57458856064).

65667264056 is a wasteful number, since it uses less digits than its factorization.

65667264056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8208408013 (or 8208408009 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 53.

The spelling of 65667264056 in words is "sixty-five billion, six hundred sixty-seven million, two hundred sixty-four thousand, fifty-six".