4161851380 has 24 divisors (see below), whose sum is σ = 9119884032. Its totient is φ = 1592360352.

The previous prime is 4161851347. The next prime is 4161851381. The reversal of 4161851380 is 831581614.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4161851381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4523292 + ... + 4524211.

It is an arithmetic number, because the mean of its divisors is an integer number (379995168).

Almost surely, 2^4161851380 is an apocalyptic number.

It is an amenable number.

4161851380 is an abundant number, since it is smaller than the sum of its proper divisors (4958032652).

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

4161851380 is a wasteful number, since it uses less digits than its factorization.

4161851380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9047535 (or 9047533 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 4161851380 is about 64512.4126040873. The cubic root of 4161851380 is about 1608.5288543088.

The spelling of 4161851380 in words is "four billion, one hundred sixty-one million, eight hundred fifty-one thousand, three hundred eighty".