609172080 has 160 divisors (see below), whose sum is σ = 2078224128. Its totient is φ = 147600640.

The previous prime is 609172073. The next prime is 609172097. The reversal of 609172080 is 80271906.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 318487 + ... + 320393.

Almost surely, 2^609172080 is an apocalyptic number.

609172080 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 609172080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1039112064).

609172080 is an abundant number, since it is smaller than the sum of its proper divisors (1469052048).

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

609172080 is a wasteful number, since it uses less digits than its factorization.

609172080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1956 (or 1928 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 609172080 is about 24681.4116289972. The cubic root of 609172080 is about 847.7087450580.

The spelling of 609172080 in words is "six hundred nine million, one hundred seventy-two thousand, eighty".