166144630037 has 8 divisors (see below), whose sum is σ = 167837372472. Its totient is φ = 164452824000.

The previous prime is 166144630033. The next prime is 166144630051. The reversal of 166144630037 is 730036441661.

It can be written as a sum of positive squares in 4 ways, for example, as 82075947121 + 84068682916 = 286489^2 + 289946^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 166144630037 - 2² = 166144630033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 166144629976 and 166144630003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166144630031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125363 + ... + 589919.

It is an arithmetic number, because the mean of its divisors is an integer number (20979671559).

Almost surely, 2^166144630037 is an apocalyptic number.

It is an amenable number.

166144630037 is a deficient number, since it is larger than the sum of its proper divisors (1692742435).

166144630037 is a wasteful number, since it uses less digits than its factorization.

166144630037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468199.

The product of its (nonzero) digits is 217728, while the sum is 41.

The spelling of 166144630037 in words is "one hundred sixty-six billion, one hundred forty-four million, six hundred thirty thousand, thirty-seven".