1556016116 has 6 divisors (see below), whose sum is σ = 2723028210. Its totient is φ = 778008056.

The previous prime is 1556016113. The next prime is 1556016127. The reversal of 1556016116 is 6116106551.

It can be written as a sum of positive squares in only one way, i.e., 948393616 + 607622500 = 30796^2 + 24650^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1556016113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194502011 + ... + 194502018.

It is an arithmetic number, because the mean of its divisors is an integer number (453838035).

Almost surely, 2^1556016116 is an apocalyptic number.

It is an amenable number.

1556016116 is a deficient number, since it is larger than the sum of its proper divisors (1167012094).

1556016116 is a wasteful number, since it uses less digits than its factorization.

1556016116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389004033 (or 389004031 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 32.

The square root of 1556016116 is about 39446.3701245121. The cubic root of 1556016116 is about 1158.7898884673.

The spelling of 1556016116 in words is "one billion, five hundred fifty-six million, sixteen thousand, one hundred sixteen".