4128160657 has 4 divisors (see below), whose sum is σ = 4153486960. Its totient is φ = 4102834356.

The previous prime is 4128160651. The next prime is 4128160679. The reversal of 4128160657 is 7560618214.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4128160657 - 2⁷ = 4128160529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4128160651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12662907 + ... + 12663232.

It is an arithmetic number, because the mean of its divisors is an integer number (1038371740).

Almost surely, 2^4128160657 is an apocalyptic number.

It is an amenable number.

4128160657 is a deficient number, since it is larger than the sum of its proper divisors (25326303).

4128160657 is a wasteful number, since it uses less digits than its factorization.

4128160657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25326302.

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 4128160657 is about 64250.7638631635. The cubic root of 4128160657 is about 1604.1766731855.

The spelling of 4128160657 in words is "four billion, one hundred twenty-eight million, one hundred sixty thousand, six hundred fifty-seven".