1665283970 has 16 divisors (see below), whose sum is σ = 3425727168. Its totient is φ = 570954480.

The previous prime is 1665283967. The next prime is 1665283981. The reversal of 1665283970 is 793825661.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11894816 + ... + 11894955.

It is an arithmetic number, because the mean of its divisors is an integer number (214107948).

Almost surely, 2^1665283970 is an apocalyptic number.

1665283970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1665283970 is an abundant number, since it is smaller than the sum of its proper divisors (1760443198).

1665283970 is a wasteful number, since it uses less digits than its factorization.

1665283970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23789785.

The product of its (nonzero) digits is 544320, while the sum is 47.

The square root of 1665283970 is about 40807.8910261239. The cubic root of 1665283970 is about 1185.3031371505.

The spelling of 1665283970 in words is "one billion, six hundred sixty-five million, two hundred eighty-three thousand, nine hundred seventy".