1673631606 has 64 divisors (see below), whose sum is σ = 3738873600. Its totient is φ = 496336896.

The previous prime is 1673631581. The next prime is 1673631607. The reversal of 1673631606 is 6061363761.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1673631607) by changing a digit.

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 in 31 ways as a sum of consecutive naturals, for example, 1489761 + ... + 1490883.

It is an arithmetic number, because the mean of its divisors is an integer number (58419900).

Almost surely, 2^1673631606 is an apocalyptic number.

1673631606 is an abundant number, since it is smaller than the sum of its proper divisors (2065241994).

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

1673631606 is a wasteful number, since it uses less digits than its factorization.

1673631606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1933.

The product of its (nonzero) digits is 81648, while the sum is 39.

The square root of 1673631606 is about 40910.0428501364. The cubic root of 1673631606 is about 1187.2803759452.

The spelling of 1673631606 in words is "one billion, six hundred seventy-three million, six hundred thirty-one thousand, six hundred six".