164750404001 has 4 divisors (see below), whose sum is σ = 166208372292. Its totient is φ = 163292435712.

The previous prime is 164750403971. The next prime is 164750404009. The reversal of 164750404001 is 100404057461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 100404057461 = 193 ⋅520228277.

It can be written as a sum of positive squares in 2 ways, for example, as 21526758400 + 143223645601 = 146720^2 + 378449^2 .

It is a cyclic number.

It is not a de Polignac number, because 164750404001 - 2²² = 164746209697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164750404009) 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, 728983976 + ... + 728984201.

It is an arithmetic number, because the mean of its divisors is an integer number (41552093073).

Almost surely, 2^164750404001 is an apocalyptic number.

It is an amenable number.

164750404001 is a deficient number, since it is larger than the sum of its proper divisors (1457968291).

164750404001 is a wasteful number, since it uses less digits than its factorization.

164750404001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1457968290.

The product of its (nonzero) digits is 13440, while the sum is 32.

The spelling of 164750404001 in words is "one hundred sixty-four billion, seven hundred fifty million, four hundred four thousand, one".