72167610099 has 32 divisors (see below), whose sum is σ = 103961055744. Its totient is φ = 44267166720.

The previous prime is 72167610083. The next prime is 72167610161. The reversal of 72167610099 is 99001676127.

It is a happy number.

It is not a de Polignac number, because 72167610099 - 2⁴ = 72167610083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72167610019) 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 31 ways as a sum of consecutive naturals, for example, 23730019 + ... + 23733059.

It is an arithmetic number, because the mean of its divisors is an integer number (3248782992).

Almost surely, 2^72167610099 is an apocalyptic number.

72167610099 is a deficient number, since it is larger than the sum of its proper divisors (31793445645).

72167610099 is a wasteful number, since it uses less digits than its factorization.

72167610099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4827.

The product of its (nonzero) digits is 285768, while the sum is 48.

The spelling of 72167610099 in words is "seventy-two billion, one hundred sixty-seven million, six hundred ten thousand, ninety-nine".