90671216434 has 32 divisors (see below), whose sum is σ = 145386521280. Its totient is φ = 42285203712.

The previous prime is 90671216417. The next prime is 90671216479. The reversal of 90671216434 is 43461217609.

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, 1532734 + ... + 1590790.

It is an arithmetic number, because the mean of its divisors is an integer number (4543328790).

Almost surely, 2^90671216434 is an apocalyptic number.

90671216434 is a deficient number, since it is larger than the sum of its proper divisors (54715304846).

90671216434 is a wasteful number, since it uses less digits than its factorization.

90671216434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58714.

The product of its (nonzero) digits is 217728, while the sum is 43.

The spelling of 90671216434 in words is "ninety billion, six hundred seventy-one million, two hundred sixteen thousand, four hundred thirty-four".