1080066491 has 16 divisors (see below), whose sum is σ = 1309860864. Its totient is φ = 869387904.

The previous prime is 1080066461. The next prime is 1080066523. The reversal of 1080066491 is 1946600801.

It is not a de Polignac number, because 1080066491 - 2¹⁴ = 1080050107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1080066431) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 45296 + ... + 64898.

It is an arithmetic number, because the mean of its divisors is an integer number (81866304).

Almost surely, 2^1080066491 is an apocalyptic number.

1080066491 is a deficient number, since it is larger than the sum of its proper divisors (229794373).

1080066491 is a wasteful number, since it uses less digits than its factorization.

1080066491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20090.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 1080066491 is about 32864.3650630892. The cubic root of 1080066491 is about 1026.0066227611.

The spelling of 1080066491 in words is "one billion, eighty million, sixty-six thousand, four hundred ninety-one".