81472412431167 has 8 divisors (see below), whose sum is σ = 109013734420224. Its totient is φ = 54123016031448.

The previous prime is 81472412431153. The next prime is 81472412431171. The reversal of 81472412431167 is 76113421427418.

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

It is a de Polignac number, because none of the positive numbers 2^k-81472412431167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (81472412031167) 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, 47981396343 + ... + 47981398040.

It is an arithmetic number, because the mean of its divisors is an integer number (13626716802528).

Almost surely, 2^{81472412431167} is an apocalyptic number.

81472412431167 is a deficient number, since it is larger than the sum of its proper divisors (27541321989057).

81472412431167 is a wasteful number, since it uses less digits than its factorization.

81472412431167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95962794669.

The product of its digits is 1806336, while the sum is 51.

The spelling of 81472412431167 in words is "eighty-one trillion, four hundred seventy-two billion, four hundred twelve million, four hundred thirty-one thousand, one hundred sixty-seven".