1988496716 has 24 divisors (see below), whose sum is σ = 3540531456. Its totient is φ = 977009040.

The previous prime is 1988496709. The next prime is 1988496743. The reversal of 1988496716 is 6176948891.

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, 75785 + ... + 98591.

It is an arithmetic number, because the mean of its divisors is an integer number (147522144).

Almost surely, 2^1988496716 is an apocalyptic number.

It is an amenable number.

1988496716 is a deficient number, since it is larger than the sum of its proper divisors (1552034740).

1988496716 is a wasteful number, since it uses less digits than its factorization.

1988496716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23189 (or 23187 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 59.

The square root of 1988496716 is about 44592.5634607386. The cubic root of 1988496716 is about 1257.5008656603.

The spelling of 1988496716 in words is "one billion, nine hundred eighty-eight million, four hundred ninety-six thousand, seven hundred sixteen".