45665881516 has 12 divisors (see below), whose sum is σ = 79921430680. Its totient is φ = 22831187040.

The previous prime is 45665881489. The next prime is 45665881517. The reversal of 45665881516 is 61518856654.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (45665881517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 378945 + ... + 484696.

Almost surely, 2^45665881516 is an apocalyptic number.

It is an amenable number.

45665881516 is a deficient number, since it is larger than the sum of its proper divisors (34255549164).

45665881516 is a wasteful number, since it uses less digits than its factorization.

45665881516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876864 (or 876862 counting only the distinct ones).

The product of its digits is 6912000, while the sum is 55.

The spelling of 45665881516 in words is "forty-five billion, six hundred sixty-five million, eight hundred eighty-one thousand, five hundred sixteen".