4157121610 has 16 divisors (see below), whose sum is σ = 7665327432. Its totient is φ = 1622291200.

The previous prime is 4157121541. The next prime is 4157121611. The reversal of 4157121610 is 161217514.

4157121610 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 976500001 + 3180621609 = 31249^2 + 56397^2 .

It is not an unprimeable number, because it can be changed into a prime (4157121611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5069251 + ... + 5070070.

Almost surely, 2^4157121610 is an apocalyptic number.

4157121610 is a deficient number, since it is larger than the sum of its proper divisors (3508205822).

4157121610 is a wasteful number, since it uses less digits than its factorization.

4157121610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10139369.

The product of its (nonzero) digits is 1680, while the sum is 28.

The square root of 4157121610 is about 64475.7443539817. The cubic root of 4157121610 is about 1607.9192814134.

The spelling of 4157121610 in words is "four billion, one hundred fifty-seven million, one hundred twenty-one thousand, six hundred ten".