1999162496 has 32 divisors (see below), whose sum is σ = 4011394800. Its totient is φ = 992381184.

The previous prime is 1999162489. The next prime is 1999162513. The reversal of 1999162496 is 6942619991.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38390 + ... + 73973.

Almost surely, 2^1999162496 is an apocalyptic number.

1999162496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1999162496 is an abundant number, since it is smaller than the sum of its proper divisors (2012232304).

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

1999162496 is a wasteful number, since it uses less digits than its factorization.

1999162496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112516 (or 112504 counting only the distinct ones).

The product of its digits is 1889568, while the sum is 56.

The square root of 1999162496 is about 44711.9949901590. The cubic root of 1999162496 is about 1259.7451605214.

The spelling of 1999162496 in words is "one billion, nine hundred ninety-nine million, one hundred sixty-two thousand, four hundred ninety-six".