1630061216 has 48 divisors (see below), whose sum is σ = 3736865664. Its totient is φ = 685411584.

The previous prime is 1630061207. The next prime is 1630061227. The reversal of 1630061216 is 6121600361.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56780 + ... + 80523.

It is an arithmetic number, because the mean of its divisors is an integer number (77851368).

Almost surely, 2^1630061216 is an apocalyptic number.

1630061216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1630061216 is an abundant number, since it is smaller than the sum of its proper divisors (2106804448).

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

1630061216 is a wasteful number, since it uses less digits than its factorization.

1630061216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137373 (or 137365 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 1630061216 is about 40374.0165948349. The cubic root of 1630061216 is about 1176.8866545150.

Adding to 1630061216 its reverse (6121600361), we get a palindrome (7751661577).

The spelling of 1630061216 in words is "one billion, six hundred thirty million, sixty-one thousand, two hundred sixteen".