72164446127 has 8 divisors (see below), whose sum is σ = 73626373920. Its totient is φ = 70711515360.

The previous prime is 72164446111. The next prime is 72164446141.

72164446127 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 72164446127 - 2⁴ = 72164446111 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 (72164446177) 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, 2233052 + ... + 2265137.

It is an arithmetic number, because the mean of its divisors is an integer number (9203296740).

Almost surely, 2^72164446127 is an apocalyptic number.

72164446127 is a deficient number, since it is larger than the sum of its proper divisors (1461927793).

72164446127 is a wasteful number, since it uses less digits than its factorization.

72164446127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4498513.

The product of its digits is 451584, while the sum is 44.

The spelling of 72164446127 in words is "seventy-two billion, one hundred sixty-four million, four hundred forty-six thousand, one hundred twenty-seven".