1016656511 has 24 divisors (see below), whose sum is σ = 1179954720. Its totient is φ = 873265536.

The previous prime is 1016656507. The next prime is 1016656513. The reversal of 1016656511 is 1156566101.

It is not a de Polignac number, because 1016656511 - 2² = 1016656507 is a prime.

It is a super-2 number, since 2×1016656511² = 2067180922717386242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1016656513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 140285 + ... + 147353.

It is an arithmetic number, because the mean of its divisors is an integer number (49164780).

Almost surely, 2^1016656511 is an apocalyptic number.

1016656511 is a deficient number, since it is larger than the sum of its proper divisors (163298209).

1016656511 is a wasteful number, since it uses less digits than its factorization.

1016656511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7155 (or 7142 counting only the distinct ones).

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

The square root of 1016656511 is about 31885.0515288905. The cubic root of 1016656511 is about 1005.5216258660.

The spelling of 1016656511 in words is "one billion, sixteen million, six hundred fifty-six thousand, five hundred eleven".