1650319216 has 60 divisors (see below), whose sum is σ = 4005675912. Its totient is φ = 652869504.

The previous prime is 1650319201. The next prime is 1650319291. The reversal of 1650319216 is 6129130561.

It is a super-3 number, since 3×1650319216³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70770 + ... + 91153.

Almost surely, 2^1650319216 is an apocalyptic number.

1650319216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1650319216 is an abundant number, since it is smaller than the sum of its proper divisors (2355356696).

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

1650319216 is a wasteful number, since it uses less digits than its factorization.

1650319216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161958 (or 161945 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 1650319216 is about 40624.1211104930. The cubic root of 1650319216 is about 1181.7419489102.

Adding to 1650319216 its reverse (6129130561), we get a palindrome (7779449777).

The spelling of 1650319216 in words is "one billion, six hundred fifty million, three hundred nineteen thousand, two hundred sixteen".