164500562 has 4 divisors (see below), whose sum is σ = 246750846. Its totient is φ = 82250280.

The previous prime is 164500561. The next prime is 164500573. The reversal of 164500562 is 265005461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 265005461 = 7 ⋅37857923.

It can be written as a sum of positive squares in only one way, i.e., 136632721 + 27867841 = 11689^2 + 5279^2 .

It is not an unprimeable number, because it can be changed into a prime (164500561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41125139 + ... + 41125142.

Almost surely, 2^164500562 is an apocalyptic number.

164500562 is a deficient number, since it is larger than the sum of its proper divisors (82250284).

164500562 is an equidigital number, since it uses as much as digits as its factorization.

164500562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82250283.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 164500562 is about 12825.7772474030. Note that the first 3 decimals coincide. The cubic root of 164500562 is about 547.9266977983.

The spelling of 164500562 in words is "one hundred sixty-four million, five hundred thousand, five hundred sixty-two".