5167780656 has 40 divisors (see below), whose sum is σ = 13356270144. Its totient is φ = 1721797440.

The previous prime is 5167780627. The next prime is 5167780661. The reversal of 5167780656 is 6560877615.

It is a junction number, because it is equal to n+sod(n) for n = 5167780599 and 5167780608.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85071 + ... + 132561.

Almost surely, 2^5167780656 is an apocalyptic number.

It is an amenable number.

5167780656 is an abundant number, since it is smaller than the sum of its proper divisors (8188489488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5167780656 is a wasteful number, since it uses less digits than its factorization.

5167780656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49769 (or 49763 counting only the distinct ones).

The product of its (nonzero) digits is 2116800, while the sum is 51.

The square root of 5167780656 is about 71887.2774279288. The cubic root of 5167780656 is about 1728.8926340196.

The spelling of 5167780656 in words is "five billion, one hundred sixty-seven million, seven hundred eighty thousand, six hundred fifty-six".