165730807106 has 8 divisors (see below), whose sum is σ = 248601995964. Its totient is φ = 82863475120.

The previous prime is 165730807079. The next prime is 165730807127. The reversal of 165730807106 is 601708037561.

It can be written as a sum of positive squares in 2 ways, for example, as 164315918881 + 1414888225 = 405359^2 + 37615^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 854285 + ... + 1030176.

Almost surely, 2^165730807106 is an apocalyptic number.

165730807106 is a deficient number, since it is larger than the sum of its proper divisors (82871188858).

165730807106 is a wasteful number, since it uses less digits than its factorization.

165730807106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1928436.

The product of its (nonzero) digits is 211680, while the sum is 44.

The spelling of 165730807106 in words is "one hundred sixty-five billion, seven hundred thirty million, eight hundred seven thousand, one hundred six".