659149656 has 32 divisors (see below), whose sum is σ = 1797681600. Its totient is φ = 199742240.

The previous prime is 659149643. The next prime is 659149657. The reversal of 659149656 is 656941956.

659149656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 659149599 and 659149608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (659149657) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1248126 + ... + 1248653.

It is an arithmetic number, because the mean of its divisors is an integer number (56177550).

Almost surely, 2^659149656 is an apocalyptic number.

659149656 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

659149656 is an abundant number, since it is smaller than the sum of its proper divisors (1138531944).

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

659149656 is a wasteful number, since it uses less digits than its factorization.

659149656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2496799 (or 2496795 counting only the distinct ones).

The product of its digits is 1749600, while the sum is 51.

The square root of 659149656 is about 25673.9100255493. The cubic root of 659149656 is about 870.2846894972.

The spelling of 659149656 in words is "six hundred fifty-nine million, one hundred forty-nine thousand, six hundred fifty-six".