16443533055075 has 48 divisors (see below), whose sum is σ = 31083178215936. Its totient is φ = 7513963603200.

The previous prime is 16443533055067. The next prime is 16443533055121. The reversal of 16443533055075 is 57055033534461.

It is not a de Polignac number, because 16443533055075 - 2³ = 16443533055067 is a prime.

It is a super-3 number, since 3×16443533055075³ (a number of 41 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5134087 + ... + 7697136.

It is an arithmetic number, because the mean of its divisors is an integer number (647566212832).

Almost surely, 2^{16443533055075} is an apocalyptic number.

16443533055075 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16443533055075 is a deficient number, since it is larger than the sum of its proper divisors (14639645160861).

16443533055075 is a wasteful number, since it uses less digits than its factorization.

16443533055075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12833684 (or 12833679 counting only the distinct ones).

The product of its (nonzero) digits is 11340000, while the sum is 51.

The spelling of 16443533055075 in words is "sixteen trillion, four hundred forty-three billion, five hundred thirty-three million, fifty-five thousand, seventy-five".