1016856481 has 2 divisors, whose sum is σ = 1016856482. Its totient is φ = 1016856480.

The previous prime is 1016856469. The next prime is 1016856523. The reversal of 1016856481 is 1846586101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 570971025 + 445885456 = 23895^2 + 21116^2 .

It is a cyclic number.

It is not a de Polignac number, because 1016856481 - 2²⁷ = 882638753 is a prime.

It is a super-2 number, since 2×1016856481² = 2067994205903406722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1016856461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 508428240 + 508428241.

It is an arithmetic number, because the mean of its divisors is an integer number (508428241).

Almost surely, 2^1016856481 is an apocalyptic number.

It is an amenable number.

1016856481 is a deficient number, since it is larger than the sum of its proper divisors (1).

1016856481 is an equidigital number, since it uses as much as digits as its factorization.

1016856481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46080, while the sum is 40.

The square root of 1016856481 is about 31888.1871701732. The cubic root of 1016856481 is about 1005.5875481566.

The spelling of 1016856481 in words is "one billion, sixteen million, eight hundred fifty-six thousand, four hundred eighty-one".