166597395010 has 16 divisors (see below), whose sum is σ = 299898759096. Its totient is φ = 66633747328.

The previous prime is 166597394963. The next prime is 166597395017. The reversal of 166597395010 is 10593795661.

It can be written as a sum of positive squares in 4 ways, for example, as 81537089209 + 85060305801 = 285547^2 + 291651^2 .

It is not an unprimeable number, because it can be changed into a prime (166597395017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 515707 + ... + 774046.

Almost surely, 2^166597395010 is an apocalyptic number.

166597395010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166597395010 is a deficient number, since it is larger than the sum of its proper divisors (133301364086).

166597395010 is a wasteful number, since it uses less digits than its factorization.

166597395010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1302677.

The product of its (nonzero) digits is 1530900, while the sum is 52.

The spelling of 166597395010 in words is "one hundred sixty-six billion, five hundred ninety-seven million, three hundred ninety-five thousand, ten".