91664034 has 96 divisors (see below), whose sum is σ = 244073088. Its totient is φ = 22387200.

The previous prime is 91664033. The next prime is 91664047. The reversal of 91664034 is 43046619.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 91663986 and 91664004.

It is not an unprimeable number, because it can be changed into a prime (91664033) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 85864 + ... + 86924.

It is an arithmetic number, because the mean of its divisors is an integer number (2542428).

Almost surely, 2^91664034 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 91664034, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122036544).

91664034 is an abundant number, since it is smaller than the sum of its proper divisors (152409054).

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

91664034 is a wasteful number, since it uses less digits than its factorization.

91664034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112 (or 1101 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 91664034 is about 9574.1335900435. The cubic root of 91664034 is about 450.8855549388.

The spelling of 91664034 in words is "ninety-one million, six hundred sixty-four thousand, thirty-four".