1665406114353 has 40 divisors (see below), whose sum is σ = 2623307239520. Its totient is φ = 1050011942400.

The previous prime is 1665406114327. The next prime is 1665406114357. The reversal of 1665406114353 is 3534116045661.

1665406114353 is a `hidden beast` number, since 1 + 6 + 6 + 540 + 6 + 11 + 43 + 53 = 666.

It is not a de Polignac number, because 1665406114353 - 2⁵ = 1665406114321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1665406114299 and 1665406114308.

It is not an unprimeable number, because it can be changed into a prime (1665406114357) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 49723 + ... + 1825728.

It is an arithmetic number, because the mean of its divisors is an integer number (65582680988).

Almost surely, 2^{1665406114353} is an apocalyptic number.

It is an amenable number.

1665406114353 is a deficient number, since it is larger than the sum of its proper divisors (957901125167).

1665406114353 is a wasteful number, since it uses less digits than its factorization.

1665406114353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1876059 (or 1876050 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 45.

The spelling of 1665406114353 in words is "one trillion, six hundred sixty-five billion, four hundred six million, one hundred fourteen thousand, three hundred fifty-three".