1081163967 has 64 divisors (see below), whose sum is σ = 1703116800. Its totient is φ = 604517760.

The previous prime is 1081163957. The next prime is 1081163969. The reversal of 1081163967 is 7693611801.

It is not a de Polignac number, because 1081163967 - 2⁸ = 1081163711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1081163969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1640284 + ... + 1640942.

It is an arithmetic number, because the mean of its divisors is an integer number (26611200).

Almost surely, 2^1081163967 is an apocalyptic number.

1081163967 is a deficient number, since it is larger than the sum of its proper divisors (621952833).

1081163967 is a wasteful number, since it uses less digits than its factorization.

1081163967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788.

The product of its (nonzero) digits is 54432, while the sum is 42.

The square root of 1081163967 is about 32881.0578753178. The cubic root of 1081163967 is about 1026.3540200370.

The spelling of 1081163967 in words is "one billion, eighty-one million, one hundred sixty-three thousand, nine hundred sixty-seven".