164461545331 has 4 divisors (see below), whose sum is σ = 164472102664. Its totient is φ = 164450988000.

The previous prime is 164461545329. The next prime is 164461545349. The reversal of 164461545331 is 133545164461.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 164461545331 - 2¹ = 164461545329 is a prime.

It is a super-2 number, since 2×164461545331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164461545361) 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, 5255265 + ... + 5286466.

It is an arithmetic number, because the mean of its divisors is an integer number (41118025666).

Almost surely, 2^164461545331 is an apocalyptic number.

164461545331 is a deficient number, since it is larger than the sum of its proper divisors (10557333).

164461545331 is a wasteful number, since it uses less digits than its factorization.

164461545331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10557332.

The product of its digits is 518400, while the sum is 43.

The spelling of 164461545331 in words is "one hundred sixty-four billion, four hundred sixty-one million, five hundred forty-five thousand, three hundred thirty-one".