659597094 has 80 divisors (see below), whose sum is σ = 1630712160. Its totient is φ = 197976960.

The previous prime is 659597089. The next prime is 659597131. The reversal of 659597094 is 490795956.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 659597094.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 82527 + ... + 90165.

It is an arithmetic number, because the mean of its divisors is an integer number (20383902).

Almost surely, 2^659597094 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 659597094, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (815356080).

659597094 is an abundant number, since it is smaller than the sum of its proper divisors (971115066).

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

659597094 is a wasteful number, since it uses less digits than its factorization.

659597094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7707 (or 7698 counting only the distinct ones).

The product of its (nonzero) digits is 3061800, while the sum is 54.

The square root of 659597094 is about 25682.6224128300. The cubic root of 659597094 is about 870.4815645474.

The spelling of 659597094 in words is "six hundred fifty-nine million, five hundred ninety-seven thousand, ninety-four".