4641680136 has 128 divisors (see below), whose sum is σ = 12535620480. Its totient is φ = 1426968576.

The previous prime is 4641680123. The next prime is 4641680143. The reversal of 4641680136 is 6310861464.

It is a junction number, because it is equal to n+sod(n) for n = 4641680094 and 4641680103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7571766 + ... + 7572378.

It is an arithmetic number, because the mean of its divisors is an integer number (97934535).

Almost surely, 2^4641680136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4641680136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6267810240).

4641680136 is an abundant number, since it is smaller than the sum of its proper divisors (7893940344).

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

4641680136 is a wasteful number, since it uses less digits than its factorization.

4641680136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983 (or 979 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 4641680136 is about 68129.8769703865. The cubic root of 4641680136 is about 1668.1114745872. Note that the first 3 decimals are identical.

The spelling of 4641680136 in words is "four billion, six hundred forty-one million, six hundred eighty thousand, one hundred thirty-six".