1650567216 has 80 divisors (see below), whose sum is σ = 4503211776. Its totient is φ = 519898368.

The previous prime is 1650567143. The next prime is 1650567227. The reversal of 1650567216 is 6127650561.

It is a super-3 number, since 3×1650567216³ (a number of 29 digits) contains 333 as substring.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82626 + ... + 100638.

Almost surely, 2^1650567216 is an apocalyptic number.

1650567216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1650567216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2251605888).

1650567216 is an abundant number, since it is smaller than the sum of its proper divisors (2852644560).

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

1650567216 is a wasteful number, since it uses less digits than its factorization.

1650567216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18130 (or 18124 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 39.

The square root of 1650567216 is about 40627.1733695565. The cubic root of 1650567216 is about 1181.8011409585.

The spelling of 1650567216 in words is "one billion, six hundred fifty million, five hundred sixty-seven thousand, two hundred sixteen".