1016681656 has 8 divisors (see below), whose sum is σ = 1906278120. Its totient is φ = 508340824.

The previous prime is 1016681593. The next prime is 1016681663. The reversal of 1016681656 is 6561866101.

It is a happy number.

1016681656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63542596 + ... + 63542611.

It is an arithmetic number, because the mean of its divisors is an integer number (238284765).

Almost surely, 2^1016681656 is an apocalyptic number.

It is an amenable number.

1016681656 is a deficient number, since it is larger than the sum of its proper divisors (889596464).

1016681656 is a wasteful number, since it uses less digits than its factorization.

1016681656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127085213 (or 127085209 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 1016681656 is about 31885.4458334833. The cubic root of 1016681656 is about 1005.5299156645.

The spelling of 1016681656 in words is "one billion, sixteen million, six hundred eighty-one thousand, six hundred fifty-six".