91610606 has 8 divisors (see below), whose sum is σ = 140008824. Its totient is φ = 44941000.

The previous prime is 91610573. The next prime is 91610621. The reversal of 91610606 is 60601619.

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, 432020 + ... + 432231.

It is an arithmetic number, because the mean of its divisors is an integer number (17501103).

Almost surely, 2^91610606 is an apocalyptic number.

91610606 is a deficient number, since it is larger than the sum of its proper divisors (48398218).

91610606 is a wasteful number, since it uses less digits than its factorization.

91610606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864306.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 91610606 is about 9571.3429569732. The cubic root of 91610606 is about 450.7979357120.

The spelling of 91610606 in words is "ninety-one million, six hundred ten thousand, six hundred six".