90910063670 has 8 divisors (see below), whose sum is σ = 163638114624. Its totient is φ = 36364025464.

The previous prime is 90910063627. The next prime is 90910063687. The reversal of 90910063670 is 7636001909.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4545503174 + ... + 4545503193.

It is an arithmetic number, because the mean of its divisors is an integer number (20454764328).

Almost surely, 2^90910063670 is an apocalyptic number.

90910063670 is a deficient number, since it is larger than the sum of its proper divisors (72728050954).

90910063670 is a wasteful number, since it uses less digits than its factorization.

90910063670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9091006374.

The product of its (nonzero) digits is 61236, while the sum is 41.

The spelling of 90910063670 in words is "ninety billion, nine hundred ten million, sixty-three thousand, six hundred seventy".