1660225337725 has 24 divisors (see below), whose sum is σ = 2106922023360. Its totient is φ = 1297066753920.

The previous prime is 1660225337681. The next prime is 1660225337833. The reversal of 1660225337725 is 5277335220661.

It is not a de Polignac number, because 1660225337725 - 2¹¹ = 1660225335677 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6188577 + ... + 6451273.

It is an arithmetic number, because the mean of its divisors is an integer number (87788417640).

Almost surely, 2^{1660225337725} is an apocalyptic number.

It is an amenable number.

1660225337725 is a deficient number, since it is larger than the sum of its proper divisors (446696685635).

1660225337725 is a wasteful number, since it uses less digits than its factorization.

1660225337725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268629 (or 268624 counting only the distinct ones).

The product of its (nonzero) digits is 3175200, while the sum is 49.

The spelling of 1660225337725 in words is "one trillion, six hundred sixty billion, two hundred twenty-five million, three hundred thirty-seven thousand, seven hundred twenty-five".