91006364 has 6 divisors (see below), whose sum is σ = 159261144. Its totient is φ = 45503180.

The previous prime is 91006339. The next prime is 91006367. The reversal of 91006364 is 46360019.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91006367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11375792 + ... + 11375799.

It is an arithmetic number, because the mean of its divisors is an integer number (26543524).

Almost surely, 2^91006364 is an apocalyptic number.

It is an amenable number.

91006364 is a deficient number, since it is larger than the sum of its proper divisors (68254780).

91006364 is a wasteful number, since it uses less digits than its factorization.

91006364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22751595 (or 22751593 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 91006364 is about 9539.7255725728. The cubic root of 91006364 is about 449.8046295942.

The spelling of 91006364 in words is "ninety-one million, six thousand, three hundred sixty-four".