33166156416 has 32 divisors (see below), whose sum is σ = 88097604000. Its totient is φ = 11055385344.

The previous prime is 33166156381. The next prime is 33166156433. The reversal of 33166156416 is 61465166133.

It is a tau number, because it is divible by the number of its divisors (32).

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, 43184716 + ... + 43185483.

It is an arithmetic number, because the mean of its divisors is an integer number (2753050125).

Almost surely, 2^33166156416 is an apocalyptic number.

It is an amenable number.

33166156416 is an abundant number, since it is smaller than the sum of its proper divisors (54931447584).

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

33166156416 is an equidigital number, since it uses as much as digits as its factorization.

33166156416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86370216 (or 86370204 counting only the distinct ones).

The product of its digits is 233280, while the sum is 42.

The spelling of 33166156416 in words is "thirty-three billion, one hundred sixty-six million, one hundred fifty-six thousand, four hundred sixteen".