1611570122560 has 112 divisors (see below), whose sum is σ = 3915320713920. Its totient is φ = 631635701760.

The previous prime is 1611570122497. The next prime is 1611570122567. The reversal of 1611570122560 is 652210751161.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1611570122567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5657140 + ... + 5935180.

It is an arithmetic number, because the mean of its divisors is an integer number (34958220660).

Almost surely, 2^{1611570122560} is an apocalyptic number.

1611570122560 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 1611570122560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1957660356960).

1611570122560 is an abundant number, since it is smaller than the sum of its proper divisors (2303750591360).

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

1611570122560 is a wasteful number, since it uses less digits than its factorization.

1611570122560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278424 (or 278414 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 37.

The spelling of 1611570122560 in words is "one trillion, six hundred eleven billion, five hundred seventy million, one hundred twenty-two thousand, five hundred sixty".