1990914016 has 48 divisors (see below), whose sum is σ = 4824144864. Its totient is φ = 787613184.

The previous prime is 1990913963. The next prime is 1990914041. The reversal of 1990914016 is 6104190991.

It is a self number, because there is not a number n which added to its sum of digits gives 1990914016.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 338935 + ... + 344758.

It is an arithmetic number, because the mean of its divisors is an integer number (100503018).

Almost surely, 2^1990914016 is an apocalyptic number.

1990914016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1990914016 is an abundant number, since it is smaller than the sum of its proper divisors (2833230848).

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

1990914016 is a wasteful number, since it uses less digits than its factorization.

1990914016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683723 (or 683715 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 40.

The square root of 1990914016 is about 44619.6595235777. The cubic root of 1990914016 is about 1258.0102162495.

The spelling of 1990914016 in words is "one billion, nine hundred ninety million, nine hundred fourteen thousand, sixteen".