1630432166 has 24 divisors (see below), whose sum is σ = 2774920512. Its totient is φ = 717195600.

The previous prime is 1630432159. The next prime is 1630432169. The reversal of 1630432166 is 6612340361.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1630432169) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101165 + ... + 116168.

It is an arithmetic number, because the mean of its divisors is an integer number (115621688).

Almost surely, 2^1630432166 is an apocalyptic number.

1630432166 is a deficient number, since it is larger than the sum of its proper divisors (1144488346).

1630432166 is a wasteful number, since it uses less digits than its factorization.

1630432166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217388 (or 217377 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 1630432166 is about 40378.6102534498. The cubic root of 1630432166 is about 1176.9759217131.

The spelling of 1630432166 in words is "one billion, six hundred thirty million, four hundred thirty-two thousand, one hundred sixty-six".