260665226052 has 192 divisors, whose sum is σ = 770246184960. Its totient is φ = 66641702400.

The previous prime is 260665226051. The next prime is 260665226053. The reversal of 260665226052 is 250622566062.

It is an interprime number because it is at equal distance from previous prime (260665226051) and next prime (260665226053).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 260665225995 and 260665226013.

It is not an unprimeable number, because it can be changed into a prime (260665226051) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 44410974 + ... + 44416842.

It is an arithmetic number, because the mean of its divisors is an integer number (4011698880).

Almost surely, 2^260665226052 is an apocalyptic number.

260665226052 is a gapful number since it is divisible by the number (22) 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 260665226052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (385123092480).

260665226052 is an abundant number, since it is smaller than the sum of its proper divisors (509580958908).

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

260665226052 is a wasteful number, since it uses less digits than its factorization.

260665226052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6642 (or 6640 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 42.

The spelling of 260665226052 in words is "two hundred sixty billion, six hundred sixty-five million, two hundred twenty-six thousand, fifty-two".