72160826461 has 8 divisors (see below), whose sum is σ = 72361728000. Its totient is φ = 71959980960.

The previous prime is 72160826443. The next prime is 72160826477. The reversal of 72160826461 is 16462806127.

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 72160826461 - 2⁷ = 72160826333 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 (72160826861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4938276 + ... + 4952866.

It is an arithmetic number, because the mean of its divisors is an integer number (9045216000).

Almost surely, 2^72160826461 is an apocalyptic number.

It is an amenable number.

72160826461 is a deficient number, since it is larger than the sum of its proper divisors (200901539).

72160826461 is a wasteful number, since it uses less digits than its factorization.

72160826461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28019.

The product of its (nonzero) digits is 193536, while the sum is 43.

The spelling of 72160826461 in words is "seventy-two billion, one hundred sixty million, eight hundred twenty-six thousand, four hundred sixty-one".