4161120550 has 24 divisors (see below), whose sum is σ = 7819483896. Its totient is φ = 1647287040.

The previous prime is 4161120547. The next prime is 4161120571. The reversal of 4161120550 is 550211614.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

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, 424132 + ... + 433831.

It is an arithmetic number, because the mean of its divisors is an integer number (325811829).

Almost surely, 2^4161120550 is an apocalyptic number.

4161120550 is a deficient number, since it is larger than the sum of its proper divisors (3658363346).

4161120550 is a wasteful number, since it uses less digits than its factorization.

4161120550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858072 (or 858067 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 4161120550 is about 64506.7480966139. The cubic root of 4161120550 is about 1608.4346950952.

The spelling of 4161120550 in words is "four billion, one hundred sixty-one million, one hundred twenty thousand, five hundred fifty".