1080267656 has 16 divisors (see below), whose sum is σ = 2181309900. Its totient is φ = 498585024.

The previous prime is 1080267647. The next prime is 1080267709. The reversal of 1080267656 is 6567620801.

It can be written as a sum of positive squares in 2 ways, for example, as 1056900100 + 23367556 = 32510^2 + 4834^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5193491 + ... + 5193698.

Almost surely, 2^1080267656 is an apocalyptic number.

It is an amenable number.

1080267656 is an abundant number, since it is smaller than the sum of its proper divisors (1101042244).

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

1080267656 is a wasteful number, since it uses less digits than its factorization.

1080267656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10387208 (or 10387204 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 1080267656 is about 32867.4254543918. The cubic root of 1080267656 is about 1026.0703175464.

The spelling of 1080267656 in words is "one billion, eighty million, two hundred sixty-seven thousand, six hundred fifty-six".