7272543070161 has 16 divisors (see below), whose sum is σ = 10774356484800. Its totient is φ = 4848263675424.

The previous prime is 7272543070151. The next prime is 7272543070183. The reversal of 7272543070161 is 1610703452727.

7272543070161 is a `hidden beast` number, since 7 + 27 + 2 + 543 + 0 + 70 + 16 + 1 = 666.

It is not a de Polignac number, because 7272543070161 - 2²² = 7272538875857 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (7272543070141) 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, 1364716 + ... + 4050621.

It is an arithmetic number, because the mean of its divisors is an integer number (673397280300).

Almost surely, 2^{7272543070161} is an apocalyptic number.

It is an amenable number.

7272543070161 is a deficient number, since it is larger than the sum of its proper divisors (3501813414639).

7272543070161 is a wasteful number, since it uses less digits than its factorization.

7272543070161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5465085 (or 5465079 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 45.

The spelling of 7272543070161 in words is "seven trillion, two hundred seventy-two billion, five hundred forty-three million, seventy thousand, one hundred sixty-one".