2660226356025 has 96 divisors (see below), whose sum is σ = 5879018956800. Its totient is φ = 1152097992000.

The previous prime is 2660226355921. The next prime is 2660226356059. The reversal of 2660226356025 is 5206536220662.

It is a happy number.

2660226356025 is a `hidden beast` number, since 2 + 6 + 6 + 0 + 2 + 2 + 6 + 35 + 602 + 5 = 666.

It is not a de Polignac number, because 2660226356025 - 2¹¹ = 2660226353977 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 14726301 + ... + 14905850.

It is an arithmetic number, because the mean of its divisors is an integer number (61239780800).

Almost surely, 2^{2660226356025} is an apocalyptic number.

2660226356025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2660226356025 is an abundant number, since it is smaller than the sum of its proper divisors (3218792600775).

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

2660226356025 is a wasteful number, since it uses less digits than its factorization.

2660226356025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29632196 (or 29632185 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 45.

The spelling of 2660226356025 in words is "two trillion, six hundred sixty billion, two hundred twenty-six million, three hundred fifty-six thousand, twenty-five".