1016842578 has 16 divisors (see below), whose sum is σ = 2034014976. Its totient is φ = 338892560.

The previous prime is 1016842571. The next prime is 1016842597. The reversal of 1016842578 is 8752486101.

It is not an unprimeable number, because it can be changed into a prime (1016842571) 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, 46975 + ... + 65117.

It is an arithmetic number, because the mean of its divisors is an integer number (127125936).

Almost surely, 2^1016842578 is an apocalyptic number.

1016842578 is an abundant number, since it is smaller than the sum of its proper divisors (1017172398).

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

1016842578 is a wasteful number, since it uses less digits than its factorization.

1016842578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27489.

The product of its (nonzero) digits is 107520, while the sum is 42.

The square root of 1016842578 is about 31887.9691733418. The cubic root of 1016842578 is about 1005.5829651606.

The spelling of 1016842578 in words is "one billion, sixteen million, eight hundred forty-two thousand, five hundred seventy-eight".