91452666 has 32 divisors (see below), whose sum is σ = 192388608. Its totient is φ = 28941120.

The previous prime is 91452661. The next prime is 91452671. The reversal of 91452666 is 66625419.

It is an interprime number because it is at equal distance from previous prime (91452661) and next prime (91452671).

It is not an unprimeable number, because it can be changed into a prime (91452661) 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 15 ways as a sum of consecutive naturals, for example, 5220 + ... + 14496.

It is an arithmetic number, because the mean of its divisors is an integer number (6012144).

Almost surely, 2^91452666 is an apocalyptic number.

91452666 is an abundant number, since it is smaller than the sum of its proper divisors (100935942).

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

91452666 is a wasteful number, since it uses less digits than its factorization.

91452666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9366.

The product of its digits is 77760, while the sum is 39.

The square root of 91452666 is about 9563.0887269752. The cubic root of 91452666 is about 450.5387227058.

It can be divided in two parts, 9145 and 2666, that added together give a palindrome (11811).

The spelling of 91452666 in words is "ninety-one million, four hundred fifty-two thousand, six hundred sixty-six".