1665006102 has 36 divisors (see below), whose sum is σ = 3667769820. Its totient is φ = 545881680.

The previous prime is 1665006089. The next prime is 1665006103. The reversal of 1665006102 is 2016005661.

It is a happy number.

1665006102 is a `hidden beast` number, since 1 + 6 + 650 + 0 + 6 + 1 + 0 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1665006103) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 54549 + ... + 79407.

It is an arithmetic number, because the mean of its divisors is an integer number (101882495).

Almost surely, 2^1665006102 is an apocalyptic number.

1665006102 is an abundant number, since it is smaller than the sum of its proper divisors (2002763718).

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

1665006102 is a wasteful number, since it uses less digits than its factorization.

1665006102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24989 (or 24925 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 1665006102 is about 40804.4862974649. The cubic root of 1665006102 is about 1185.2372072274.

The spelling of 1665006102 in words is "one billion, six hundred sixty-five million, six thousand, one hundred two".