164442552 has 16 divisors (see below), whose sum is σ = 411106440. Its totient is φ = 54814176.

The previous prime is 164442539. The next prime is 164442559. The reversal of 164442552 is 255244461.

164442552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164442559) 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, 3425863 + ... + 3425910.

Almost surely, 2^164442552 is an apocalyptic number.

164442552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

164442552 is an abundant number, since it is smaller than the sum of its proper divisors (246663888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

164442552 is a wasteful number, since it uses less digits than its factorization.

164442552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6851782 (or 6851778 counting only the distinct ones).

The product of its digits is 38400, while the sum is 33.

The square root of 164442552 is about 12823.5155866088. The cubic root of 164442552 is about 547.8622826896.

The spelling of 164442552 in words is "one hundred sixty-four million, four hundred forty-two thousand, five hundred fifty-two".