1653927852 has 12 divisors (see below), whose sum is σ = 3859165016. Its totient is φ = 551309280.

The previous prime is 1653927839. The next prime is 1653927853. The reversal of 1653927852 is 2587293561.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (1653927853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68913649 + ... + 68913672.

Almost surely, 2^1653927852 is an apocalyptic number.

1653927852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1653927852 is an abundant number, since it is smaller than the sum of its proper divisors (2205237164).

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

1653927852 is a wasteful number, since it uses less digits than its factorization.

1653927852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137827328 (or 137827326 counting only the distinct ones).

The product of its digits is 907200, while the sum is 48.

The square root of 1653927852 is about 40668.5117996713. The cubic root of 1653927852 is about 1182.6026656315.

The spelling of 1653927852 in words is "one billion, six hundred fifty-three million, nine hundred twenty-seven thousand, eight hundred fifty-two".