164631310532 has 12 divisors (see below), whose sum is σ = 310266700716. Its totient is φ = 75983681760.

The previous prime is 164631310531. The next prime is 164631310559. The reversal of 164631310532 is 235013136461.

It can be written as a sum of positive squares in 2 ways, for example, as 16841810176 + 147789500356 = 129776^2 + 384434^2 .

It is a junction number, because it is equal to n+sod(n) for n = 164631310492 and 164631310501.

It is not an unprimeable number, because it can be changed into a prime (164631310531) 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, 1582993319 + ... + 1582993422.

It is an arithmetic number, because the mean of its divisors is an integer number (25855558393).

Almost surely, 2^164631310532 is an apocalyptic number.

It is an amenable number.

164631310532 is a deficient number, since it is larger than the sum of its proper divisors (145635390184).

164631310532 is a wasteful number, since it uses less digits than its factorization.

164631310532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3165986758 (or 3165986756 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 35.

Adding to 164631310532 its reverse (235013136461), we get a palindrome (399644446993).

The spelling of 164631310532 in words is "one hundred sixty-four billion, six hundred thirty-one million, three hundred ten thousand, five hundred thirty-two".