1617290160 has 80 divisors (see below), whose sum is σ = 5022235104. Its totient is φ = 430534656.

The previous prime is 1617290131. The next prime is 1617290179. The reversal of 1617290160 is 610927161.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141624 + ... + 152616.

Almost surely, 2^1617290160 is an apocalyptic number.

1617290160 is a gapful number since it is divisible by the number (10) 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 1617290160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2511117552).

1617290160 is an abundant number, since it is smaller than the sum of its proper divisors (3404944944).

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

1617290160 is a wasteful number, since it uses less digits than its factorization.

1617290160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11622 (or 11616 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 33.

The square root of 1617290160 is about 40215.5462476888. The cubic root of 1617290160 is about 1173.8050710165.

The spelling of 1617290160 in words is "one billion, six hundred seventeen million, two hundred ninety thousand, one hundred sixty".