662798142 has 24 divisors (see below), whose sum is σ = 1520537616. Its totient is φ = 207936576.

The previous prime is 662798111. The next prime is 662798177. The reversal of 662798142 is 241897266.

It is a happy number.

662798142 is a `hidden beast` number, since 6 + 627 + 9 + 8 + 14 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1082698 + ... + 1083309.

It is an arithmetic number, because the mean of its divisors is an integer number (63355734).

Almost surely, 2^662798142 is an apocalyptic number.

662798142 is an abundant number, since it is smaller than the sum of its proper divisors (857739474).

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

662798142 is a wasteful number, since it uses less digits than its factorization.

662798142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2166032 (or 2166029 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 662798142 is about 25744.8663232109. The cubic root of 662798142 is about 871.8874519823.

The spelling of 662798142 in words is "six hundred sixty-two million, seven hundred ninety-eight thousand, one hundred forty-two".