33416621916 has 12 divisors (see below), whose sum is σ = 77972117832. Its totient is φ = 11138873968.

The previous prime is 33416621899. The next prime is 33416621951. The reversal of 33416621916 is 61912661433.

It is a happy number.

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

It is a super-2 number, since 2×33416621916² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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, 1392359235 + ... + 1392359258.

It is an arithmetic number, because the mean of its divisors is an integer number (6497676486).

Almost surely, 2^33416621916 is an apocalyptic number.

It is an amenable number.

33416621916 is an abundant number, since it is smaller than the sum of its proper divisors (44555495916).

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

33416621916 is a wasteful number, since it uses less digits than its factorization.

33416621916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2784718500 (or 2784718498 counting only the distinct ones).

The product of its digits is 139968, while the sum is 42.

The spelling of 33416621916 in words is "thirty-three billion, four hundred sixteen million, six hundred twenty-one thousand, nine hundred sixteen".