64101798 has 48 divisors (see below), whose sum is σ = 147790656. Its totient is φ = 20010240.

The previous prime is 64101773. The next prime is 64101799. The reversal of 64101798 is 89710146.

64101798 is a `hidden beast` number, since 641 + 0 + 1 + 7 + 9 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64101799) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82540 + ... + 83312.

It is an arithmetic number, because the mean of its divisors is an integer number (3078972).

Almost surely, 2^64101798 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64101798, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73895328).

64101798 is an abundant number, since it is smaller than the sum of its proper divisors (83688858).

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

64101798 is a wasteful number, since it uses less digits than its factorization.

64101798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1069 (or 1066 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 64101798 is about 8006.3598470216. The cubic root of 64101798 is about 400.2119668220.

The spelling of 64101798 in words is "sixty-four million, one hundred one thousand, seven hundred ninety-eight".