91266851 has 8 divisors (see below), whose sum is σ = 98461440. Its totient is φ = 84097152.

The previous prime is 91266841. The next prime is 91266859. The reversal of 91266851 is 15866219.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-91266851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91266859) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1790 + ... + 13628.

It is an arithmetic number, because the mean of its divisors is an integer number (12307680).

Almost surely, 2^91266851 is an apocalyptic number.

91266851 is a deficient number, since it is larger than the sum of its proper divisors (7194589).

91266851 is a wasteful number, since it uses less digits than its factorization.

91266851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12445.

The product of its digits is 25920, while the sum is 38.

The square root of 91266851 is about 9553.3685682067. The cubic root of 91266851 is about 450.2333785330.

The spelling of 91266851 in words is "ninety-one million, two hundred sixty-six thousand, eight hundred fifty-one".