164142280 has 32 divisors (see below), whose sum is σ = 372781440. Its totient is φ = 65041600.

The previous prime is 164142257. The next prime is 164142287. The reversal of 164142280 is 82241461.

It is not an unprimeable number, because it can be changed into a prime (164142287) 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, 14896 + ... + 23455.

It is an arithmetic number, because the mean of its divisors is an integer number (11649420).

Almost surely, 2^164142280 is an apocalyptic number.

164142280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164142280 is an abundant number, since it is smaller than the sum of its proper divisors (208639160).

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

164142280 is a wasteful number, since it uses less digits than its factorization.

164142280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38469 (or 38465 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 164142280 is about 12811.8023712513. The cubic root of 164142280 is about 547.5286141158.

The spelling of 164142280 in words is "one hundred sixty-four million, one hundred forty-two thousand, two hundred eighty".