1662648535 has 48 divisors (see below), whose sum is σ = 2207995200. Its totient is φ = 1197450240.

The previous prime is 1662648521. The next prime is 1662648553. The reversal of 1662648535 is 5358462661.

It is not a de Polignac number, because 1662648535 - 2²⁹ = 1125777623 is a prime.

It is a super-3 number, since 3×1662648535³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 11158641 + ... + 11158789.

It is an arithmetic number, because the mean of its divisors is an integer number (45999900).

Almost surely, 2^1662648535 is an apocalyptic number.

1662648535 is a deficient number, since it is larger than the sum of its proper divisors (545346665).

1662648535 is a wasteful number, since it uses less digits than its factorization.

1662648535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328 (or 285 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 46.

The square root of 1662648535 is about 40775.5874881037. The cubic root of 1662648535 is about 1184.6775303960.

The spelling of 1662648535 in words is "one billion, six hundred sixty-two million, six hundred forty-eight thousand, five hundred thirty-five".