726254362766161 has 16 divisors (see below), whose sum is σ = 785100893211648. Its totient is φ = 669842151105600.

The previous prime is 726254362766159. The next prime is 726254362766197. The reversal of 726254362766161 is 161667263452627.

It is not a de Polignac number, because 726254362766161 - 2¹ = 726254362766159 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 726254362766093 and 726254362766102.

It is not an unprimeable number, because it can be changed into a prime (726254362766861) 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, 1838411830 + ... + 1838806831.

It is an arithmetic number, because the mean of its divisors is an integer number (49068805825728).

Almost surely, 2^{726254362766161} is an apocalyptic number.

It is an amenable number.

726254362766161 is a deficient number, since it is larger than the sum of its proper divisors (58846530445487).

726254362766161 is a wasteful number, since it uses less digits than its factorization.

726254362766161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3677218992.

The product of its digits is 182891520, while the sum is 64.

The spelling of 726254362766161 in words is "seven hundred twenty-six trillion, two hundred fifty-four billion, three hundred sixty-two million, seven hundred sixty-six thousand, one hundred sixty-one".