1630355316 has 12 divisors (see below), whose sum is σ = 3804162432. Its totient is φ = 543451768.

The previous prime is 1630355297. The next prime is 1630355323. The reversal of 1630355316 is 6135530361.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 67931460 + ... + 67931483.

It is an arithmetic number, because the mean of its divisors is an integer number (317013536).

Almost surely, 2^1630355316 is an apocalyptic number.

It is an amenable number.

1630355316 is an abundant number, since it is smaller than the sum of its proper divisors (2173807116).

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

1630355316 is a wasteful number, since it uses less digits than its factorization.

1630355316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135862950 (or 135862948 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 33.

The square root of 1630355316 is about 40377.6586245414. The cubic root of 1630355316 is about 1176.9574292703.

Adding to 1630355316 its reverse (6135530361), we get a palindrome (7765885677).

The spelling of 1630355316 in words is "one billion, six hundred thirty million, three hundred fifty-five thousand, three hundred sixteen".