164951415201 has 4 divisors (see below), whose sum is σ = 219935220272. Its totient is φ = 109967610132.

The previous prime is 164951415173. The next prime is 164951415269. The reversal of 164951415201 is 102514159461.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 164951415201 - 2⁶ = 164951415137 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 164951415201.

It is not an unprimeable number, because it can be changed into a prime (164951415301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27491902531 + ... + 27491902536.

It is an arithmetic number, because the mean of its divisors is an integer number (54983805068).

Almost surely, 2^164951415201 is an apocalyptic number.

It is an amenable number.

164951415201 is a deficient number, since it is larger than the sum of its proper divisors (54983805071).

164951415201 is an equidigital number, since it uses as much as digits as its factorization.

164951415201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54983805070.

The product of its (nonzero) digits is 43200, while the sum is 39.

The spelling of 164951415201 in words is "one hundred sixty-four billion, nine hundred fifty-one million, four hundred fifteen thousand, two hundred one".