4651650040066 has 16 divisors (see below), whose sum is σ = 7147991665080. Its totient is φ = 2268991457920.

The previous prime is 4651650040027. The next prime is 4651650040067. The reversal of 4651650040066 is 6600400561564.

It can be written as a sum of positive squares in 4 ways, for example, as 3460637957841 + 1191012082225 = 1860279^2 + 1091335^2 .

It is not an unprimeable number, because it can be changed into a prime (4651650040067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 451920 + ... + 3083428.

Almost surely, 2^{4651650040066} is an apocalyptic number.

4651650040066 is a deficient number, since it is larger than the sum of its proper divisors (2496341625014).

4651650040066 is a wasteful number, since it uses less digits than its factorization.

4651650040066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2653109.

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 4651650040066 in words is "four trillion, six hundred fifty-one billion, six hundred fifty million, forty thousand, sixty-six".