1988533016 has 32 divisors (see below), whose sum is σ = 3905928000. Its totient is φ = 947821056.

The previous prime is 1988533013. The next prime is 1988533021. The reversal of 1988533016 is 6103358891.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1988533013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35921 + ... + 72576.

It is an arithmetic number, because the mean of its divisors is an integer number (122060250).

Almost surely, 2^1988533016 is an apocalyptic number.

It is an amenable number.

1988533016 is a deficient number, since it is larger than the sum of its proper divisors (1917394984).

1988533016 is a wasteful number, since it uses less digits than its factorization.

1988533016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108611 (or 108607 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 44.

The square root of 1988533016 is about 44592.9704774194. The cubic root of 1988533016 is about 1257.5085175049.

The spelling of 1988533016 in words is "one billion, nine hundred eighty-eight million, five hundred thirty-three thousand, sixteen".