172159133617198 has 128 divisors (see below), whose sum is σ = 326029398912000. Its totient is φ = 66375307699200.

The previous prime is 172159133617187. The next prime is 172159133617223. The reversal of 172159133617198 is 891716331951271.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 669472561 + ... + 669729667.

It is an arithmetic number, because the mean of its divisors is an integer number (2547104679000).

Almost surely, 2^{172159133617198} is an apocalyptic number.

172159133617198 is a deficient number, since it is larger than the sum of its proper divisors (153870265294802).

172159133617198 is a wasteful number, since it uses less digits than its factorization.

172159133617198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257802.

The product of its digits is 17146080, while the sum is 64.

The spelling of 172159133617198 in words is "one hundred seventy-two trillion, one hundred fifty-nine billion, one hundred thirty-three million, six hundred seventeen thousand, one hundred ninety-eight".