1662486940620 has 144 divisors (see below), whose sum is σ = 5567601940992. Its totient is φ = 398171349120.

The previous prime is 1662486940567. The next prime is 1662486940657. The reversal of 1662486940620 is 260496842661.

1662486940620 is a `hidden beast` number, since 1 + 6 + 6 + 2 + 4 + 8 + 6 + 9 + 4 + 0 + 620 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4893732 + ... + 5222411.

It is an arithmetic number, because the mean of its divisors is an integer number (38663902368).

Almost surely, 2^{1662486940620} is an apocalyptic number.

1662486940620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1662486940620 is an abundant number, since it is smaller than the sum of its proper divisors (3905115000372).

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

1662486940620 is a wasteful number, since it uses less digits than its factorization.

1662486940620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10116252 (or 10116247 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 54.

The spelling of 1662486940620 in words is "one trillion, six hundred sixty-two billion, four hundred eighty-six million, nine hundred forty thousand, six hundred twenty".