14162521857 has 64 divisors (see below), whose sum is σ = 22465361664. Its totient is φ = 7837655040.

The previous prime is 14162521847. The next prime is 14162521861. The reversal of 14162521857 is 75812526141.

It is a happy number.

It is not a de Polignac number, because 14162521857 - 2¹⁴ = 14162505473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14162521847) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9485203 + ... + 9486695.

It is an arithmetic number, because the mean of its divisors is an integer number (351021276).

Almost surely, 2^14162521857 is an apocalyptic number.

14162521857 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

14162521857 is a deficient number, since it is larger than the sum of its proper divisors (8302839807).

14162521857 is a wasteful number, since it uses less digits than its factorization.

14162521857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2018.

The product of its digits is 134400, while the sum is 42.

The spelling of 14162521857 in words is "fourteen billion, one hundred sixty-two million, five hundred twenty-one thousand, eight hundred fifty-seven".