4581161208 has 48 divisors (see below), whose sum is σ = 13361722920. Its totient is φ = 1409587776.

The previous prime is 4581161177. The next prime is 4581161227. The reversal of 4581161208 is 8021611854.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2446266 + ... + 2448137.

Almost surely, 2^4581161208 is an apocalyptic number.

It is an amenable number.

4581161208 is an abundant number, since it is smaller than the sum of its proper divisors (8780561712).

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

4581161208 is a wasteful number, since it uses less digits than its factorization.

4581161208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4894428 (or 4894421 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 36.

The square root of 4581161208 is about 67684.2759287562. The cubic root of 4581161208 is about 1660.8300402059.

The spelling of 4581161208 in words is "four billion, five hundred eighty-one million, one hundred sixty-one thousand, two hundred eight".