609857372160 has 1088 divisors, whose sum is σ = 2352483279360. Its totient is φ = 151353556992.

The previous prime is 609857372147. The next prime is 609857372161. The reversal of 609857372160 is 61273758906.

609857372160 is a `hidden beast` number, since 6 + 0 + 9 + 8 + 573 + 7 + 2 + 1 + 60 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 609857372097 and 609857372106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (609857372161) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16482631662 + ... + 16482631698.

Almost surely, 2^609857372160 is an apocalyptic number.

609857372160 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 609857372160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1176241639680).

609857372160 is an abundant number, since it is smaller than the sum of its proper divisors (1742625907200).

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

609857372160 is an frugal number, since it uses more digits than its factorization.

609857372160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118 (or 70 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 54.

The spelling of 609857372160 in words is "six hundred nine billion, eight hundred fifty-seven million, three hundred seventy-two thousand, one hundred sixty".