1079665660 has 24 divisors (see below), whose sum is σ = 2294618256. Its totient is φ = 426662400.

The previous prime is 1079665649. The next prime is 1079665687. The reversal of 1079665660 is 665669701.

It is a self number, because there is not a number n which added to its sum of digits gives 1079665660.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 323541 + ... + 326860.

It is an arithmetic number, because the mean of its divisors is an integer number (95609094).

Almost surely, 2^1079665660 is an apocalyptic number.

1079665660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1079665660 is an abundant number, since it is smaller than the sum of its proper divisors (1214952596).

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

1079665660 is a wasteful number, since it uses less digits than its factorization.

1079665660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650493 (or 650491 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 46.

The square root of 1079665660 is about 32858.2662354544. The cubic root of 1079665660 is about 1025.8796842349.

The spelling of 1079665660 in words is "one billion, seventy-nine million, six hundred sixty-five thousand, six hundred sixty".