1660225510135 has 16 divisors (see below), whose sum is σ = 2014965914400. Its totient is φ = 1313054803456.

The previous prime is 1660225510103. The next prime is 1660225510157. The reversal of 1660225510135 is 5310155220661.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1660225510135 - 2⁵ = 1660225510103 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1660225510094 and 1660225510103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2639232 + ... + 3207178.

It is an arithmetic number, because the mean of its divisors is an integer number (125935369650).

Almost surely, 2^{1660225510135} is an apocalyptic number.

1660225510135 is a deficient number, since it is larger than the sum of its proper divisors (354740404265).

1660225510135 is an equidigital number, since it uses as much as digits as its factorization.

1660225510135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574610.

The product of its (nonzero) digits is 54000, while the sum is 37.

The spelling of 1660225510135 in words is "one trillion, six hundred sixty billion, two hundred twenty-five million, five hundred ten thousand, one hundred thirty-five".