64191096 has 64 divisors (see below), whose sum is σ = 182131200. Its totient is φ = 20938464.

The previous prime is 64191079. The next prime is 64191097. The reversal of 64191096 is 69019146.

64191096 is a `hidden beast` number, since 641 + 9 + 1 + 0 + 9 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 64191096.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64191097) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6991 + ... + 13313.

It is an arithmetic number, because the mean of its divisors is an integer number (2845800).

Almost surely, 2^64191096 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64191096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91065600).

64191096 is an abundant number, since it is smaller than the sum of its proper divisors (117940104).

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

64191096 is a wasteful number, since it uses less digits than its factorization.

64191096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6385 (or 6375 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 64191096 is about 8011.9345978359. The cubic root of 64191096 is about 400.3977210805.

The spelling of 64191096 in words is "sixty-four million, one hundred ninety-one thousand, ninety-six".