1631797163848 has 16 divisors (see below), whose sum is σ = 3192646625280. Its totient is φ = 780424730448.

The previous prime is 1631797163831. The next prime is 1631797163873. The reversal of 1631797163848 is 8483617971361.

It is a self number, because there is not a number n which added to its sum of digits gives 1631797163848.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4434231240 + ... + 4434231607.

It is an arithmetic number, because the mean of its divisors is an integer number (199540414080).

Almost surely, 2^{1631797163848} is an apocalyptic number.

It is an amenable number.

1631797163848 is a deficient number, since it is larger than the sum of its proper divisors (1560849461432).

1631797163848 is a wasteful number, since it uses less digits than its factorization.

1631797163848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8868462876 (or 8868462872 counting only the distinct ones).

The product of its digits is 36578304, while the sum is 64.

The spelling of 1631797163848 in words is "one trillion, six hundred thirty-one billion, seven hundred ninety-seven million, one hundred sixty-three thousand, eight hundred forty-eight".