1657284852 has 12 divisors (see below), whose sum is σ = 3866998016. Its totient is φ = 552428280.

The previous prime is 1657284851. The next prime is 1657284857. The reversal of 1657284852 is 2584827561.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1657284851) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 69053524 + ... + 69053547.

Almost surely, 2^1657284852 is an apocalyptic number.

1657284852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1657284852 is an abundant number, since it is smaller than the sum of its proper divisors (2209713164).

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

1657284852 is a wasteful number, since it uses less digits than its factorization.

1657284852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138107078 (or 138107076 counting only the distinct ones).

The product of its digits is 1075200, while the sum is 48.

The square root of 1657284852 is about 40709.7635954816. The cubic root of 1657284852 is about 1183.4022398456.

The spelling of 1657284852 in words is "one billion, six hundred fifty-seven million, two hundred eighty-four thousand, eight hundred fifty-two".