1371165661463 has 16 divisors (see below), whose sum is σ = 1501901788800. Its totient is φ = 1244045057760.

The previous prime is 1371165661447. The next prime is 1371165661517. The reversal of 1371165661463 is 3641665611731.

It is a cyclic number.

It is not a de Polignac number, because 1371165661463 - 2⁴ = 1371165661447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1371165661363) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4903928 + ... + 5175986.

It is an arithmetic number, because the mean of its divisors is an integer number (93868861800).

Almost surely, 2^{1371165661463} is an apocalyptic number.

1371165661463 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1371165661463 is a deficient number, since it is larger than the sum of its proper divisors (130736127337).

1371165661463 is a wasteful number, since it uses less digits than its factorization.

1371165661463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278702.

The product of its digits is 1632960, while the sum is 50.

The spelling of 1371165661463 in words is "one trillion, three hundred seventy-one billion, one hundred sixty-five million, six hundred sixty-one thousand, four hundred sixty-three".