1653540006 has 8 divisors (see below), whose sum is σ = 3307080024. Its totient is φ = 551180000.

The previous prime is 1653540001. The next prime is 1653540011. The reversal of 1653540006 is 6000453561.

It is an interprime number because it is at equal distance from previous prime (1653540001) and next prime (1653540011).

It is a sphenic number, since it is the product of 3 distinct primes.

1653540006 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1653540001) 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, 137794995 + ... + 137795006.

It is an arithmetic number, because the mean of its divisors is an integer number (413385003).

Almost surely, 2^1653540006 is an apocalyptic number.

1653540006 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1653540006 is a wasteful number, since it uses less digits than its factorization.

1653540006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275590006.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 1653540006 is about 40663.7431380831. The cubic root of 1653540006 is about 1182.5102183158.

Adding to 1653540006 its reverse (6000453561), we get a palindrome (7653993567).

The spelling of 1653540006 in words is "one billion, six hundred fifty-three million, five hundred forty thousand, six".