1605932166 has 16 divisors (see below), whose sum is σ = 3400797744. Its totient is φ = 503821824.

The previous prime is 1605932161. The next prime is 1605932203. The reversal of 1605932166 is 6612395061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1605932161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7872115 + ... + 7872318.

It is an arithmetic number, because the mean of its divisors is an integer number (212549859).

Almost surely, 2^1605932166 is an apocalyptic number.

1605932166 is an abundant number, since it is smaller than the sum of its proper divisors (1794865578).

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

1605932166 is a wasteful number, since it uses less digits than its factorization.

1605932166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15744455.

The product of its (nonzero) digits is 58320, while the sum is 39.

The square root of 1605932166 is about 40074.0834704925. The cubic root of 1605932166 is about 1171.0507924177.

The spelling of 1605932166 in words is "one billion, six hundred five million, nine hundred thirty-two thousand, one hundred sixty-six".