662342351820 has 96 divisors (see below), whose sum is σ = 1959115092480. Its totient is φ = 166733038080.

The previous prime is 662342351779. The next prime is 662342351831. The reversal of 662342351820 is 28153243266.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 713472 + ... + 1354151.

It is an arithmetic number, because the mean of its divisors is an integer number (20407448880).

Almost surely, 2^662342351820 is an apocalyptic number.

662342351820 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

662342351820 is an abundant number, since it is smaller than the sum of its proper divisors (1296772740660).

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

662342351820 is a wasteful number, since it uses less digits than its factorization.

662342351820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2067935 (or 2067933 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 42.

The spelling of 662342351820 in words is "six hundred sixty-two billion, three hundred forty-two million, three hundred fifty-one thousand, eight hundred twenty".