2568162157 has 8 divisors (see below), whose sum is σ = 2802924000. Its totient is φ = 2333615760.

The previous prime is 2568162131. The next prime is 2568162167. The reversal of 2568162157 is 7512618652.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2568162157 - 2⁷ = 2568162029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2568162167) 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, 28407 + ... + 77092.

It is an arithmetic number, because the mean of its divisors is an integer number (350365500).

Almost surely, 2^2568162157 is an apocalyptic number.

It is an amenable number.

2568162157 is a deficient number, since it is larger than the sum of its proper divisors (234761843).

2568162157 is a wasteful number, since it uses less digits than its factorization.

2568162157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107723.

The product of its digits is 201600, while the sum is 43.

The square root of 2568162157 is about 50677.0377685989. The cubic root of 2568162157 is about 1369.4330786988.

The spelling of 2568162157 in words is "two billion, five hundred sixty-eight million, one hundred sixty-two thousand, one hundred fifty-seven".