164523430 has 16 divisors (see below), whose sum is σ = 299711664. Its totient is φ = 65016160.

The previous prime is 164523427. The next prime is 164523431. The reversal of 164523430 is 34325461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164523431) 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, 98281 + ... + 99940.

It is an arithmetic number, because the mean of its divisors is an integer number (18731979).

Almost surely, 2^164523430 is an apocalyptic number.

164523430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164523430 is a deficient number, since it is larger than the sum of its proper divisors (135188234).

164523430 is a wasteful number, since it uses less digits than its factorization.

164523430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198311.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 164523430 is about 12826.6687023560. The cubic root of 164523430 is about 547.9520865811.

Adding to 164523430 its reverse (34325461), we get a palindrome (198848891).

The spelling of 164523430 in words is "one hundred sixty-four million, five hundred twenty-three thousand, four hundred thirty".