4157161650 has 48 divisors (see below), whose sum is σ = 11455293600. Its totient is φ = 1108576080.

The previous prime is 4157161649. The next prime is 4157161661. The reversal of 4157161650 is 561617514.

It is a happy number.

4157161650 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1538340 + ... + 1541039.

It is an arithmetic number, because the mean of its divisors is an integer number (238651950).

Almost surely, 2^4157161650 is an apocalyptic number.

4157161650 is an abundant number, since it is smaller than the sum of its proper divisors (7298131950).

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

4157161650 is a wasteful number, since it uses less digits than its factorization.

4157161650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3079400 (or 3079389 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The square root of 4157161650 is about 64476.0548575981. The cubic root of 4157161650 is about 1607.9244437098.

The spelling of 4157161650 in words is "four billion, one hundred fifty-seven million, one hundred sixty-one thousand, six hundred fifty".