1660054065 has 16 divisors (see below), whose sum is σ = 2675198400. Its totient is φ = 878991552.

The previous prime is 1660054057. The next prime is 1660054129. The reversal of 1660054065 is 5604500661.

It is not a de Polignac number, because 1660054065 - 2³ = 1660054057 is a prime.

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, 396010 + ... + 400179.

It is an arithmetic number, because the mean of its divisors is an integer number (167199900).

Almost surely, 2^1660054065 is an apocalyptic number.

1660054065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1660054065 is a deficient number, since it is larger than the sum of its proper divisors (1015144335).

1660054065 is a wasteful number, since it uses less digits than its factorization.

1660054065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796336.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 1660054065 is about 40743.7610561421. The cubic root of 1660054065 is about 1184.0610019341.

The spelling of 1660054065 in words is "one billion, six hundred sixty million, fifty-four thousand, sixty-five".