1653485185 has 16 divisors (see below), whose sum is σ = 2167251840. Its totient is φ = 1201040640.

The previous prime is 1653485179. The next prime is 1653485191. The reversal of 1653485185 is 5815843561.

It is an interprime number because it is at equal distance from previous prime (1653485179) and next prime (1653485191).

It is not a de Polignac number, because 1653485185 - 2⁹ = 1653484673 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27001 + ... + 63529.

It is an arithmetic number, because the mean of its divisors is an integer number (135453240).

Almost surely, 2^1653485185 is an apocalyptic number.

It is an amenable number.

1653485185 is a deficient number, since it is larger than the sum of its proper divisors (513766655).

1653485185 is a wasteful number, since it uses less digits than its factorization.

1653485185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37368.

The product of its digits is 576000, while the sum is 46.

The square root of 1653485185 is about 40663.0690553480. The cubic root of 1653485185 is about 1182.4971499677.

The spelling of 1653485185 in words is "one billion, six hundred fifty-three million, four hundred eighty-five thousand, one hundred eighty-five".