1163453216646 has 32 divisors (see below), whose sum is σ = 2674693456128. Its totient is φ = 330493727520.

The previous prime is 1163453216621. The next prime is 1163453216669. The reversal of 1163453216646 is 6466123543611.

It is a happy number.

It is a super-2 number, since 2×1163453216646² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 1163453216595 and 1163453216604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80054200 + ... + 80068731.

It is an arithmetic number, because the mean of its divisors is an integer number (83584170504).

Almost surely, 2^{1163453216646} is an apocalyptic number.

1163453216646 is an abundant number, since it is smaller than the sum of its proper divisors (1511240239482).

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

1163453216646 is a wasteful number, since it uses less digits than its factorization.

1163453216646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160123116.

The product of its digits is 1866240, while the sum is 48.

The spelling of 1163453216646 in words is "one trillion, one hundred sixty-three billion, four hundred fifty-three million, two hundred sixteen thousand, six hundred forty-six".