11546491646 has 8 divisors (see below), whose sum is σ = 17473009824. Its totient is φ = 5722155040.

The previous prime is 11546491637. The next prime is 11546491741. The reversal of 11546491646 is 64619464511.

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

It is a super-2 number, since 2×11546491646² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11546491646.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25545110 + ... + 25545561.

It is an arithmetic number, because the mean of its divisors is an integer number (2184126228).

Almost surely, 2^11546491646 is an apocalyptic number.

11546491646 is a deficient number, since it is larger than the sum of its proper divisors (5926518178).

11546491646 is a wasteful number, since it uses less digits than its factorization.

11546491646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51090786.

The product of its digits is 622080, while the sum is 47.

The spelling of 11546491646 in words is "eleven billion, five hundred forty-six million, four hundred ninety-one thousand, six hundred forty-six".