1016636442 has 8 divisors (see below), whose sum is σ = 2033272896. Its totient is φ = 338878812.

The previous prime is 1016636393. The next prime is 1016636443. The reversal of 1016636442 is 2446366101.

It is a sphenic number, since it is the product of 3 distinct primes.

1016636442 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1016636443) 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 3 ways as a sum of consecutive naturals, for example, 84719698 + ... + 84719709.

It is an arithmetic number, because the mean of its divisors is an integer number (254159112).

Almost surely, 2^1016636442 is an apocalyptic number.

1016636442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1016636442 is a wasteful number, since it uses less digits than its factorization.

1016636442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169439412.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 1016636442 is about 31884.7368187351. The cubic root of 1016636442 is about 1005.5150094241.

The spelling of 1016636442 in words is "one billion, sixteen million, six hundred thirty-six thousand, four hundred forty-two".