164798486042 has 4 divisors (see below), whose sum is σ = 247197729066. Its totient is φ = 82399243020.

The previous prime is 164798485987. The next prime is 164798486053. The reversal of 164798486042 is 240684897461.

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: 240684897461 = 42649 ⋅5643389.

It can be written as a sum of positive squares in only one way, i.e., 153287127361 + 11511358681 = 391519^2 + 107291^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41199621509 + ... + 41199621512.

Almost surely, 2^164798486042 is an apocalyptic number.

164798486042 is a deficient number, since it is larger than the sum of its proper divisors (82399243024).

164798486042 is an equidigital number, since it uses as much as digits as its factorization.

164798486042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82399243023.

The product of its (nonzero) digits is 18579456, while the sum is 59.

The spelling of 164798486042 in words is "one hundred sixty-four billion, seven hundred ninety-eight million, four hundred eighty-six thousand, forty-two".