1610261142528 has 132 divisors (see below), whose sum is σ = 4363476987480. Its totient is φ = 527950725120.

The previous prime is 1610261142527. The next prime is 1610261142541. The reversal of 1610261142528 is 8252411620161.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1610261142527) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11360478 + ... + 11501346.

Almost surely, 2^{1610261142528} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1610261142528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2181738493740).

1610261142528 is an abundant number, since it is smaller than the sum of its proper divisors (2753215844952).

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

1610261142528 is an equidigital number, since it uses as much as digits as its factorization.

1610261142528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141014 (or 140935 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 39.

Adding to 1610261142528 its reverse (8252411620161), we get a palindrome (9862672762689).

The spelling of 1610261142528 in words is "one trillion, six hundred ten billion, two hundred sixty-one million, one hundred forty-two thousand, five hundred twenty-eight".