19857489714162 has 20 divisors (see below), whose sum is σ = 44495486211726. Its totient is φ = 6619163238000.

The previous prime is 19857489714157. The next prime is 19857489714169. The reversal of 19857489714162 is 26141798475891.

19857489714162 is a `hidden beast` number, since 1 + 9 + 8 + 574 + 8 + 9 + 7 + 1 + 41 + 6 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 19797258246921 + 60231467241 = 4449411^2 + 245421^2 .

It is not an unprimeable number, because it can be changed into a prime (19857489714169) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 61288548339 + ... + 61288548662.

Almost surely, 2^{19857489714162} is an apocalyptic number.

19857489714162 is an abundant number, since it is smaller than the sum of its proper divisors (24637996497564).

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

19857489714162 is a wasteful number, since it uses less digits than its factorization.

19857489714162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122577097015 (or 122577097006 counting only the distinct ones).

The product of its digits is 243855360, while the sum is 72.

The spelling of 19857489714162 in words is "nineteen trillion, eight hundred fifty-seven billion, four hundred eighty-nine million, seven hundred fourteen thousand, one hundred sixty-two".