45261871665616 has 20 divisors (see below), whose sum is σ = 87695045463424. Its totient is φ = 22630892191200.

The previous prime is 45261871665613. The next prime is 45261871665623. The reversal of 45261871665616 is 61656617816254.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45261871665613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6847201 + ... + 11722111.

Almost surely, 2^{45261871665616} is an apocalyptic number.

It is an amenable number.

45261871665616 is a deficient number, since it is larger than the sum of its proper divisors (42433173797808).

45261871665616 is a wasteful number, since it uses less digits than its factorization.

45261871665616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5455210 (or 5455204 counting only the distinct ones).

The product of its digits is 87091200, while the sum is 64.

The spelling of 45261871665616 in words is "forty-five trillion, two hundred sixty-one billion, eight hundred seventy-one million, six hundred sixty-five thousand, six hundred sixteen".