1025602611660 has 144 divisors (see below), whose sum is σ = 3436772451840. Its totient is φ = 245483671680.

The previous prime is 1025602611653. The next prime is 1025602611701. The reversal of 1025602611660 is 661162065201.

1025602611660 is a `hidden beast` number, since 1 + 0 + 2 + 560 + 26 + 1 + 16 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3121942 + ... + 3434781.

It is an arithmetic number, because the mean of its divisors is an integer number (23866475360).

Almost surely, 2^{1025602611660} is an apocalyptic number.

1025602611660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1025602611660 is an abundant number, since it is smaller than the sum of its proper divisors (2411169840180).

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

1025602611660 is a wasteful number, since it uses less digits than its factorization.

1025602611660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6556828 (or 6556823 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

Adding to 1025602611660 its reverse (661162065201), we get a palindrome (1686764676861).

The spelling of 1025602611660 in words is "one trillion, twenty-five billion, six hundred two million, six hundred eleven thousand, six hundred sixty".