72416243101161 has 4 divisors (see below), whose sum is σ = 96554990801552. Its totient is φ = 48277495400772.

The previous prime is 72416243101109. The next prime is 72416243101187. The reversal of 72416243101161 is 16110134261427.

72416243101161 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 72416243101161 - 2²² = 72416238906857 is a prime.

It is a super-2 number, since 2×72416243101161² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72416243101261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12069373850191 + ... + 12069373850196.

It is an arithmetic number, because the mean of its divisors is an integer number (24138747700388).

Almost surely, 2^{72416243101161} is an apocalyptic number.

It is an amenable number.

72416243101161 is a deficient number, since it is larger than the sum of its proper divisors (24138747700391).

72416243101161 is a wasteful number, since it uses less digits than its factorization.

72416243101161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24138747700390.

The product of its (nonzero) digits is 48384, while the sum is 39.

Adding to 72416243101161 its reverse (16110134261427), we get a palindrome (88526377362588).

The spelling of 72416243101161 in words is "seventy-two trillion, four hundred sixteen billion, two hundred forty-three million, one hundred one thousand, one hundred sixty-one".