1368631671 has 8 divisors (see below), whose sum is σ = 1990737024. Its totient is φ = 829473720.

The previous prime is 1368631651. The next prime is 1368631687. The reversal of 1368631671 is 1761368631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1368631671 - 2²⁵ = 1335077239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1368631601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20736811 + ... + 20736876.

It is an arithmetic number, because the mean of its divisors is an integer number (248842128).

Almost surely, 2^1368631671 is an apocalyptic number.

1368631671 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1368631671 is a deficient number, since it is larger than the sum of its proper divisors (622105353).

1368631671 is a wasteful number, since it uses less digits than its factorization.

1368631671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41473701.

The product of its digits is 108864, while the sum is 42.

The square root of 1368631671 is about 36995.0222462428. The cubic root of 1368631671 is about 1110.2706563432.

The spelling of 1368631671 in words is "one billion, three hundred sixty-eight million, six hundred thirty-one thousand, six hundred seventy-one".