84181623617201 has 8 divisors (see below), whose sum is σ = 91839841329600. Its totient is φ = 76524296377840.

The previous prime is 84181623617167. The next prime is 84181623617257. The reversal of 84181623617201 is 10271632618148.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 84181623617201 - 2¹⁴ = 84181623600817 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 84181623617201.

It is not an unprimeable number, because it can be changed into a prime (84181623617501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222420581 + ... + 222798738.

It is an arithmetic number, because the mean of its divisors is an integer number (11479980166200).

Almost surely, 2^{84181623617201} is an apocalyptic number.

It is an amenable number.

84181623617201 is a deficient number, since it is larger than the sum of its proper divisors (7658217712399).

84181623617201 is a wasteful number, since it uses less digits than its factorization.

84181623617201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445236519.

The product of its (nonzero) digits is 774144, while the sum is 50.

The spelling of 84181623617201 in words is "eighty-four trillion, one hundred eighty-one billion, six hundred twenty-three million, six hundred seventeen thousand, two hundred one".