2456161546646 has 16 divisors (see below), whose sum is σ = 3713929228800. Its totient is φ = 1218188664000.

The previous prime is 2456161546637. The next prime is 2456161546651. The reversal of 2456161546646 is 6466451616542.

It is a junction number, because it is equal to n+sod(n) for n = 2456161546591 and 2456161546600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 518330 + ... + 2276178.

It is an arithmetic number, because the mean of its divisors is an integer number (232120576800).

Almost surely, 2^{2456161546646} is an apocalyptic number.

2456161546646 is a deficient number, since it is larger than the sum of its proper divisors (1257767682154).

2456161546646 is a wasteful number, since it uses less digits than its factorization.

2456161546646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1763479.

The product of its digits is 24883200, while the sum is 56.

The spelling of 2456161546646 in words is "two trillion, four hundred fifty-six billion, one hundred sixty-one million, five hundred forty-six thousand, six hundred forty-six".