4161538500 has 192 divisors, whose sum is σ = 13905475584. Its totient is φ = 947376000.

The previous prime is 4161538421. The next prime is 4161538519. The reversal of 4161538500 is 58351614.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3222855 + ... + 3224145.

It is an arithmetic number, because the mean of its divisors is an integer number (72424352).

Almost surely, 2^4161538500 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 4161538500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6952737792).

4161538500 is an abundant number, since it is smaller than the sum of its proper divisors (9743937084).

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

4161538500 is a wasteful number, since it uses less digits than its factorization.

4161538500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1627 (or 1615 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 4161538500 is about 64509.9875988207. The cubic root of 4161538500 is about 1608.4885445945.

The spelling of 4161538500 in words is "four billion, one hundred sixty-one million, five hundred thirty-eight thousand, five hundred".