1653532006 has 16 divisors (see below), whose sum is σ = 2836290816. Its totient is φ = 708240456.

The previous prime is 1653532003. The next prime is 1653532021. The reversal of 1653532006 is 6002353561.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1653532003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9346 + ... + 58261.

It is an arithmetic number, because the mean of its divisors is an integer number (177268176).

Almost surely, 2^1653532006 is an apocalyptic number.

1653532006 is a deficient number, since it is larger than the sum of its proper divisors (1182758810).

1653532006 is a wasteful number, since it uses less digits than its factorization.

1653532006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69363.

The product of its (nonzero) digits is 16200, while the sum is 31.

The square root of 1653532006 is about 40663.6447702367. The cubic root of 1653532006 is about 1182.5083112766.

Adding to 1653532006 its reverse (6002353561), we get a palindrome (7655885567).

The spelling of 1653532006 in words is "one billion, six hundred fifty-three million, five hundred thirty-two thousand, six".