90016066434 has 16 divisors (see below), whose sum is σ = 205751009088. Its totient is φ = 25718876112.

The previous prime is 90016066403. The next prime is 90016066447. The reversal of 90016066434 is 43466061009.

It is a junction number, because it is equal to n+sod(n) for n = 90016066392 and 90016066401.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1071619797 + ... + 1071619880.

It is an arithmetic number, because the mean of its divisors is an integer number (12859438068).

Almost surely, 2^90016066434 is an apocalyptic number.

90016066434 is an abundant number, since it is smaller than the sum of its proper divisors (115734942654).

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

90016066434 is a wasteful number, since it uses less digits than its factorization.

90016066434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2143239689.

The product of its (nonzero) digits is 93312, while the sum is 39.

The spelling of 90016066434 in words is "ninety billion, sixteen million, sixty-six thousand, four hundred thirty-four".