91545552606 has 8 divisors (see below), whose sum is σ = 183091105224. Its totient is φ = 30515184200.

The previous prime is 91545552599. The next prime is 91545552607. The reversal of 91545552606 is 60625554519.

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

91545552606 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91545552607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7628796045 + ... + 7628796056.

It is an arithmetic number, because the mean of its divisors is an integer number (22886388153).

Almost surely, 2^91545552606 is an apocalyptic number.

91545552606 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

91545552606 is a wasteful number, since it uses less digits than its factorization.

91545552606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15257592106.

The product of its (nonzero) digits is 1620000, while the sum is 48.

The spelling of 91545552606 in words is "ninety-one billion, five hundred forty-five million, five hundred fifty-two thousand, six hundred six".