164552222631 has 8 divisors (see below), whose sum is σ = 219698259840. Its totient is φ = 109553833592.

The previous prime is 164552222591. The next prime is 164552222677. The reversal of 164552222631 is 136222255461.

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 164552222631 - 2²¹ = 164550125479 is a prime.

It is a super-2 number, since 2×164552222631² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 164552222631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164552272631) 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, 36909441 + ... + 36913898.

It is an arithmetic number, because the mean of its divisors is an integer number (27462282480).

Almost surely, 2^164552222631 is an apocalyptic number.

164552222631 is a deficient number, since it is larger than the sum of its proper divisors (55146037209).

164552222631 is an equidigital number, since it uses as much as digits as its factorization.

164552222631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73824085.

The product of its digits is 172800, while the sum is 39.

The spelling of 164552222631 in words is "one hundred sixty-four billion, five hundred fifty-two million, two hundred twenty-two thousand, six hundred thirty-one".