1996686546 has 16 divisors (see below), whose sum is σ = 3993837600. Its totient is φ = 665484768.

The previous prime is 1996686539. The next prime is 1996686547. The reversal of 1996686546 is 6456866991.

It is a self number, because there is not a number n which added to its sum of digits gives 1996686546.

It is not an unprimeable number, because it can be changed into a prime (1996686547) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 64425 + ... + 90243.

It is an arithmetic number, because the mean of its divisors is an integer number (249614850).

Almost surely, 2^1996686546 is an apocalyptic number.

1996686546 is an abundant number, since it is smaller than the sum of its proper divisors (1997151054).

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

1996686546 is a wasteful number, since it uses less digits than its factorization.

1996686546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38713.

The product of its digits is 16796160, while the sum is 60.

The square root of 1996686546 is about 44684.2986517636. The cubic root of 1996686546 is about 1259.2248835603.

The spelling of 1996686546 in words is "one billion, nine hundred ninety-six million, six hundred eighty-six thousand, five hundred forty-six".