164413234440842 has 4 divisors (see below), whose sum is σ = 246619851661266. Its totient is φ = 82206617220420.

The previous prime is 164413234440803. The next prime is 164413234440877. The reversal of 164413234440842 is 248044432314461.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 82260564597121 + 82152669843721 = 9069761^2 + 9063811^2 .

It is a super-3 number, since 3×164413234440842³ (a number of 44 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41103308610209 + ... + 41103308610212.

Almost surely, 2^{164413234440842} is an apocalyptic number.

164413234440842 is a deficient number, since it is larger than the sum of its proper divisors (82206617220424).

164413234440842 is an equidigital number, since it uses as much as digits as its factorization.

164413234440842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82206617220423.

The product of its (nonzero) digits is 7077888, while the sum is 50.

The spelling of 164413234440842 in words is "one hundred sixty-four trillion, four hundred thirteen billion, two hundred thirty-four million, four hundred forty thousand, eight hundred forty-two".