164131630 has 32 divisors (see below), whose sum is σ = 326771424. Its totient is φ = 58962816.

The previous prime is 164131621. The next prime is 164131673. The reversal of 164131630 is 36131461.

It is a happy number.

164131630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 164131595 and 164131604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12252 + ... + 21871.

It is an arithmetic number, because the mean of its divisors is an integer number (10211607).

Almost surely, 2^164131630 is an apocalyptic number.

164131630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164131630 is a deficient number, since it is larger than the sum of its proper divisors (162639794).

164131630 is a wasteful number, since it uses less digits than its factorization.

164131630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34180.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 164131630 is about 12811.3867321223. The cubic root of 164131630 is about 547.5167721418.

The spelling of 164131630 in words is "one hundred sixty-four million, one hundred thirty-one thousand, six hundred thirty".