1663240016275 has 48 divisors (see below), whose sum is σ = 2222667070560. Its totient is φ = 1230842649600.

The previous prime is 1663240016231. The next prime is 1663240016329. The reversal of 1663240016275 is 5726100423661.

It is not a de Polignac number, because 1663240016275 - 2⁷ = 1663240016147 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3760077 + ... + 4179073.

It is an arithmetic number, because the mean of its divisors is an integer number (46305563970).

Almost surely, 2^{1663240016275} is an apocalyptic number.

1663240016275 is a deficient number, since it is larger than the sum of its proper divisors (559427054285).

1663240016275 is a wasteful number, since it uses less digits than its factorization.

1663240016275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419224 (or 419219 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 1663240016275 in words is "one trillion, six hundred sixty-three billion, two hundred forty million, sixteen thousand, two hundred seventy-five".