164503630 has 8 divisors (see below), whose sum is σ = 296106552. Its totient is φ = 65801448.

The previous prime is 164503627. The next prime is 164503637. The reversal of 164503630 is 36305461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×164503630² = 54122888566353800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164503637) 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, 8225172 + ... + 8225191.

It is an arithmetic number, because the mean of its divisors is an integer number (37013319).

Almost surely, 2^164503630 is an apocalyptic number.

164503630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164503630 is a deficient number, since it is larger than the sum of its proper divisors (131602922).

164503630 is a wasteful number, since it uses less digits than its factorization.

164503630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16450370.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 164503630 is about 12825.8968497334. The cubic root of 164503630 is about 547.9301041264.

The spelling of 164503630 in words is "one hundred sixty-four million, five hundred three thousand, six hundred thirty".