609797160000 has 2100 divisors, whose sum is σ = 2758261923648. Its totient is φ = 132523776000.

The previous prime is 609797159971. The next prime is 609797160001. The reversal of 609797160000 is 61797906.

It is a tau number, because it is divible by the number of its divisors (2100).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (609797160001) by changing a digit.

It is a polite number, since it can be written in 299 ways as a sum of consecutive naturals, for example, 3651479917 + ... + 3651480083.

Almost surely, 2^609797160000 is an apocalyptic number.

609797160000 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 609797160000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1379130961824).

609797160000 is an abundant number, since it is smaller than the sum of its proper divisors (2148464763648).

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

609797160000 is a wasteful number, since it uses less digits than its factorization.

609797160000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248 (or 207 counting only the distinct ones).

The product of its (nonzero) digits is 142884, while the sum is 45.

The spelling of 609797160000 in words is "six hundred nine billion, seven hundred ninety-seven million, one hundred sixty thousand".