16150859666 has 4 divisors (see below), whose sum is σ = 24226289502. Its totient is φ = 8075429832.

The previous prime is 16150859657. The next prime is 16150859729. The reversal of 16150859666 is 66695805161.

16150859666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 15818344441 + 332515225 = 125771^2 + 18235^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4037714915 + ... + 4037714918.

Almost surely, 2^16150859666 is an apocalyptic number.

16150859666 is a deficient number, since it is larger than the sum of its proper divisors (8075429836).

16150859666 is an equidigital number, since it uses as much as digits as its factorization.

16150859666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8075429835.

The product of its (nonzero) digits is 2332800, while the sum is 53.

The spelling of 16150859666 in words is "sixteen billion, one hundred fifty million, eight hundred fifty-nine thousand, six hundred sixty-six".