164227465736 has 32 divisors (see below), whose sum is σ = 311459499000. Its totient is φ = 81172033536.

The previous prime is 164227465733. The next prime is 164227465739. The reversal of 164227465736 is 637564722461.

It is an interprime number because it is at equal distance from previous prime (164227465733) and next prime (164227465739).

It can be written as a sum of positive squares in 4 ways, for example, as 38986502500 + 125240963236 = 197450^2 + 353894^2 .

It is not an unprimeable number, because it can be changed into a prime (164227465733) 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, 3291020 + ... + 3340548.

Almost surely, 2^164227465736 is an apocalyptic number.

It is an amenable number.

164227465736 is a deficient number, since it is larger than the sum of its proper divisors (147232033264).

164227465736 is a wasteful number, since it uses less digits than its factorization.

164227465736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54281 (or 54277 counting only the distinct ones).

The product of its digits is 10160640, while the sum is 53.

The spelling of 164227465736 in words is "one hundred sixty-four billion, two hundred twenty-seven million, four hundred sixty-five thousand, seven hundred thirty-six".