1045501655166 has 48 divisors (see below), whose sum is σ = 2269908835584. Its totient is φ = 347784654672.

The previous prime is 1045501655161. The next prime is 1045501655173. The reversal of 1045501655166 is 6615561055401.

1045501655166 is a `hidden beast` number, since 1 + 0 + 45 + 50 + 1 + 6 + 551 + 6 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045501655161) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57363531 + ... + 57381753.

It is an arithmetic number, because the mean of its divisors is an integer number (47289767408).

Almost surely, 2^{1045501655166} is an apocalyptic number.

1045501655166 is an abundant number, since it is smaller than the sum of its proper divisors (1224407180418).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1045501655166 is a wasteful number, since it uses less digits than its factorization.

1045501655166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24605 (or 24602 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 45.

The spelling of 1045501655166 in words is "one trillion, forty-five billion, five hundred one million, six hundred fifty-five thousand, one hundred sixty-six".