1630745546 has 8 divisors (see below), whose sum is σ = 2446705440. Its totient is φ = 815177068.

The previous prime is 1630745533. The next prime is 1630745551. The reversal of 1630745546 is 6455470361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87206 + ... + 104241.

It is an arithmetic number, because the mean of its divisors is an integer number (305838180).

Almost surely, 2^1630745546 is an apocalyptic number.

1630745546 is a deficient number, since it is larger than the sum of its proper divisors (815959894).

1630745546 is a wasteful number, since it uses less digits than its factorization.

1630745546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195708.

The product of its (nonzero) digits is 302400, while the sum is 41.

The square root of 1630745546 is about 40382.4905868868. The cubic root of 1630745546 is about 1177.0513244383.

The spelling of 1630745546 in words is "one billion, six hundred thirty million, seven hundred forty-five thousand, five hundred forty-six".