1662947452608 has 56 divisors (see below), whose sum is σ = 4738334255088. Its totient is φ = 511676138496.

The previous prime is 1662947452577. The next prime is 1662947452619. The reversal of 1662947452608 is 8062547492661.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 333119991 + ... + 333124982.

It is an arithmetic number, because the mean of its divisors is an integer number (84613111698).

Almost surely, 2^{1662947452608} is an apocalyptic number.

It is an amenable number.

1662947452608 is an abundant number, since it is smaller than the sum of its proper divisors (3075386802480).

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

1662947452608 is a wasteful number, since it uses less digits than its factorization.

1662947452608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666245001 (or 666244991 counting only the distinct ones).

The product of its (nonzero) digits is 34836480, while the sum is 60.

The spelling of 1662947452608 in words is "one trillion, six hundred sixty-two billion, nine hundred forty-seven million, four hundred fifty-two thousand, six hundred eight".