72156160601 has 16 divisors (see below), whose sum is σ = 85779133440. Its totient is φ = 59385493440.

The previous prime is 72156160567. The next prime is 72156160603. The reversal of 72156160601 is 10606165127.

It is not a de Polignac number, because 72156160601 - 2¹⁸ = 72155898457 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (72156160603) 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, 945161 + ... + 1018646.

It is an arithmetic number, because the mean of its divisors is an integer number (5361195840).

Almost surely, 2^72156160601 is an apocalyptic number.

It is an amenable number.

72156160601 is a deficient number, since it is larger than the sum of its proper divisors (13622972839).

72156160601 is a wasteful number, since it uses less digits than its factorization.

72156160601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1964024.

The product of its (nonzero) digits is 15120, while the sum is 35.

The spelling of 72156160601 in words is "seventy-two billion, one hundred fifty-six million, one hundred sixty thousand, six hundred one".