90173006246 has 16 divisors (see below), whose sum is σ = 137241140400. Its totient is φ = 44428753248.

The previous prime is 90173006239. The next prime is 90173006263. The reversal of 90173006246 is 64260037109.

It is a congruent number.

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, 633641 + ... + 762788.

It is an arithmetic number, because the mean of its divisors is an integer number (8577571275).

Almost surely, 2^90173006246 is an apocalyptic number.

90173006246 is a deficient number, since it is larger than the sum of its proper divisors (47068134154).

90173006246 is a wasteful number, since it uses less digits than its factorization.

90173006246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1396903.

The product of its (nonzero) digits is 54432, while the sum is 38.

The spelling of 90173006246 in words is "ninety billion, one hundred seventy-three million, six thousand, two hundred forty-six".