166010613136 has 45 divisors (see below), whose sum is σ = 330693756771. Its totient is φ = 80732583936.

The previous prime is 166010613133. The next prime is 166010613151. The reversal of 166010613136 is 631316010661.

The square root of 166010613136 is 407444.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 113404603536 + 52606009600 = 336756^2 + 229360^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (166010613133) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 60300336 + ... + 60303088.

Almost surely, 2^166010613136 is an apocalyptic number.

166010613136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

166010613136 is the 407444-th square number.

It is an amenable number.

166010613136 is a deficient number, since it is larger than the sum of its proper divisors (164683143635).

166010613136 is an frugal number, since it uses more digits than its factorization.

166010613136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5588 (or 2792 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 34.

Adding to 166010613136 its reverse (631316010661), we get a palindrome (797326623797).

The spelling of 166010613136 in words is "one hundred sixty-six billion, ten million, six hundred thirteen thousand, one hundred thirty-six".