71667053261751 has 8 divisors (see below), whose sum is σ = 95556158581104. Its totient is φ = 47777991725120.

The previous prime is 71667053261717. The next prime is 71667053261801. The reversal of 71667053261751 is 15716235076617.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71667053261751 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 71667053261691 and 71667053261700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71667053261651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6914166 + ... + 13825331.

It is an arithmetic number, because the mean of its divisors is an integer number (11944519822638).

Almost surely, 2^{71667053261751} is an apocalyptic number.

71667053261751 is a deficient number, since it is larger than the sum of its proper divisors (23889105319353).

71667053261751 is a wasteful number, since it uses less digits than its factorization.

71667053261751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21891361.

The product of its (nonzero) digits is 11113200, while the sum is 57.

The spelling of 71667053261751 in words is "seventy-one trillion, six hundred sixty-seven billion, fifty-three million, two hundred sixty-one thousand, seven hundred fifty-one".