33161445930 has 32 divisors (see below), whose sum is σ = 84269087424. Its totient is φ = 8322872576.

The previous prime is 33161445929. The next prime is 33161445943. The reversal of 33161445930 is 3954416133.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32510712 + ... + 32511731.

It is an arithmetic number, because the mean of its divisors is an integer number (2633408982).

Almost surely, 2^33161445930 is an apocalyptic number.

33161445930 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

33161445930 is an abundant number, since it is smaller than the sum of its proper divisors (51107641494).

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

33161445930 is a wasteful number, since it uses less digits than its factorization.

33161445930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65022470.

The product of its (nonzero) digits is 116640, while the sum is 39.

The spelling of 33161445930 in words is "thirty-three billion, one hundred sixty-one million, four hundred forty-five thousand, nine hundred thirty".