11653646006 has 4 divisors (see below), whose sum is σ = 17480469012. Its totient is φ = 5826823002.

The previous prime is 11653645999. The next prime is 11653646009. The reversal of 11653646006 is 60064635611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60064635611 = 163 ⋅368494697.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11653646009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2913411500 + ... + 2913411503.

It is an arithmetic number, because the mean of its divisors is an integer number (4370117253).

Almost surely, 2^11653646006 is an apocalyptic number.

11653646006 is a deficient number, since it is larger than the sum of its proper divisors (5826823006).

11653646006 is an equidigital number, since it uses as much as digits as its factorization.

11653646006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5826823005.

The product of its (nonzero) digits is 77760, while the sum is 38.

The spelling of 11653646006 in words is "eleven billion, six hundred fifty-three million, six hundred forty-six thousand, six".