2245563555646 has 8 divisors (see below), whose sum is σ = 3368473842600. Its totient is φ = 1122738941448.

The previous prime is 2245563555607. The next prime is 2245563555721. The reversal of 2245563555646 is 6465553655422.

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

It is a super-2 number, since 2×2245563555646² (a number of 26 digits) contains 22 as substring.

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, 21352621 + ... + 21457528.

It is an arithmetic number, because the mean of its divisors is an integer number (421059230325).

Almost surely, 2^{2245563555646} is an apocalyptic number.

2245563555646 is a deficient number, since it is larger than the sum of its proper divisors (1122910286954).

2245563555646 is a wasteful number, since it uses less digits than its factorization.

2245563555646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42836378.

The product of its digits is 129600000, while the sum is 58.

The spelling of 2245563555646 in words is "two trillion, two hundred forty-five billion, five hundred sixty-three million, five hundred fifty-five thousand, six hundred forty-six".