1663110217627 has 4 divisors (see below), whose sum is σ = 1673703276496. Its totient is φ = 1652517158760.

The previous prime is 1663110217603. The next prime is 1663110217679. The reversal of 1663110217627 is 7267120113661.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1663110217627 - 2³⁵ = 1628750479259 is a prime.

It is a super-2 number, since 2×1663110217627² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1663110247627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5296529199 + ... + 5296529512.

It is an arithmetic number, because the mean of its divisors is an integer number (418425819124).

Almost surely, 2^{1663110217627} is an apocalyptic number.

1663110217627 is a deficient number, since it is larger than the sum of its proper divisors (10593058869).

1663110217627 is a wasteful number, since it uses less digits than its factorization.

1663110217627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10593058868.

The product of its (nonzero) digits is 127008, while the sum is 43.

The spelling of 1663110217627 in words is "one trillion, six hundred sixty-three billion, one hundred ten million, two hundred seventeen thousand, six hundred twenty-seven".