172368611093 has 48 divisors (see below), whose sum is σ = 208195821504. Its totient is φ = 142197592320.

The previous prime is 172368611081. The next prime is 172368611111. The reversal of 172368611093 is 390116863271.

It is a happy number.

It is not a de Polignac number, because 172368611093 - 2¹⁸ = 172368348949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172368611593) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 44411513 + ... + 44415393.

It is an arithmetic number, because the mean of its divisors is an integer number (4337412948).

Almost surely, 2^172368611093 is an apocalyptic number.

It is an amenable number.

172368611093 is a deficient number, since it is larger than the sum of its proper divisors (35827210411).

172368611093 is a wasteful number, since it uses less digits than its factorization.

172368611093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4242 (or 4235 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 47.

The spelling of 172368611093 in words is "one hundred seventy-two billion, three hundred sixty-eight million, six hundred eleven thousand, ninety-three".