164715662002 has 4 divisors (see below), whose sum is σ = 247073493006. Its totient is φ = 82357831000.

The previous prime is 164715661823. The next prime is 164715662021. The reversal of 164715662002 is 200266517461.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 200266517461 = 53 ⋅3778613537.

It can be written as a sum of positive squares in only one way, i.e., 158898701641 + 5816960361 = 398621^2 + 76269^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41178915499 + ... + 41178915502.

Almost surely, 2^164715662002 is an apocalyptic number.

164715662002 is a deficient number, since it is larger than the sum of its proper divisors (82357831004).

164715662002 is an equidigital number, since it uses as much as digits as its factorization.

164715662002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82357831003.

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 164715662002 in words is "one hundred sixty-four billion, seven hundred fifteen million, six hundred sixty-two thousand, two".