662266375542 has 12 divisors (see below), whose sum is σ = 1434910480380. Its totient is φ = 220755458508.

The previous prime is 662266375499. The next prime is 662266375549. The reversal of 662266375542 is 245573662266.

It is a happy number.

662266375542 is a `hidden beast` number, since 6 + 6 + 2 + 2 + 66 + 37 + 5 + 542 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662266375549) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18396288192 + ... + 18396288227.

It is an arithmetic number, because the mean of its divisors is an integer number (119575873365).

Almost surely, 2^662266375542 is an apocalyptic number.

662266375542 is an abundant number, since it is smaller than the sum of its proper divisors (772644104838).

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

662266375542 is a wasteful number, since it uses less digits than its factorization.

662266375542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36792576427 (or 36792576424 counting only the distinct ones).

The product of its digits is 21772800, while the sum is 54.

The spelling of 662266375542 in words is "six hundred sixty-two billion, two hundred sixty-six million, three hundred seventy-five thousand, five hundred forty-two".