1080642066 has 32 divisors (see below), whose sum is σ = 2471084160. Its totient is φ = 308624256.

The previous prime is 1080642047. The next prime is 1080642089. The reversal of 1080642066 is 6602460801.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141990 + ... + 149406.

It is an arithmetic number, because the mean of its divisors is an integer number (77221380).

Almost surely, 2^1080642066 is an apocalyptic number.

1080642066 is an abundant number, since it is smaller than the sum of its proper divisors (1390442094).

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

1080642066 is a wasteful number, since it uses less digits than its factorization.

1080642066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10898.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 1080642066 is about 32873.1207219515. The cubic root of 1080642066 is about 1026.1888457681.

The spelling of 1080642066 in words is "one billion, eighty million, six hundred forty-two thousand, sixty-six".