1665055130 has 32 divisors (see below), whose sum is σ = 3096648576. Its totient is φ = 644117184.

The previous prime is 1665055129. The next prime is 1665055153. The reversal of 1665055130 is 315505661.

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, 48317 + ... + 75263.

It is an arithmetic number, because the mean of its divisors is an integer number (96770268).

Almost surely, 2^1665055130 is an apocalyptic number.

1665055130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1665055130 is a deficient number, since it is larger than the sum of its proper divisors (1431593446).

1665055130 is a wasteful number, since it uses less digits than its factorization.

1665055130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27158.

The product of its (nonzero) digits is 13500, while the sum is 32.

The square root of 1665055130 is about 40805.0870603164. The cubic root of 1665055130 is about 1185.2488406661.

The spelling of 1665055130 in words is "one billion, six hundred sixty-five million, fifty-five thousand, one hundred thirty".