609951168 has 224 divisors, whose sum is σ = 1901952000. Its totient is φ = 191296512.

The previous prime is 609951163. The next prime is 609951169. The reversal of 609951168 is 861159906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (609951163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4093558 + ... + 4093706.

Almost surely, 2^609951168 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 609951168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (950976000).

609951168 is an abundant number, since it is smaller than the sum of its proper divisors (1292000832).

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

609951168 is a wasteful number, since it uses less digits than its factorization.

609951168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296 (or 280 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 45.

The square root of 609951168 is about 24697.1894757278. The cubic root of 609951168 is about 848.0699776120.

The spelling of 609951168 in words is "six hundred nine million, nine hundred fifty-one thousand, one hundred sixty-eight".