1665056314 has 32 divisors (see below), whose sum is σ = 2672524800. Its totient is φ = 776589120.

The previous prime is 1665056311. The next prime is 1665056339. The reversal of 1665056314 is 4136505661.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (1665056311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 246717 + ... + 253375.

It is an arithmetic number, because the mean of its divisors is an integer number (83516400).

Almost surely, 2^1665056314 is an apocalyptic number.

1665056314 is a deficient number, since it is larger than the sum of its proper divisors (1007468486).

1665056314 is a wasteful number, since it uses less digits than its factorization.

1665056314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6838.

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 1665056314 is about 40805.1015683088. The cubic root of 1665056314 is about 1185.2491216046.

The spelling of 1665056314 in words is "one billion, six hundred sixty-five million, fifty-six thousand, three hundred fourteen".