1966124161 has 8 divisors (see below), whose sum is σ = 2070326880. Its totient is φ = 1861993728.

The previous prime is 1966124159. The next prime is 1966124183. The reversal of 1966124161 is 1614216691.

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 1966124161 - 2¹ = 1966124159 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1966124161.

It is not an unprimeable number, because it can be changed into a prime (1966124141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43110 + ... + 76096.

It is an arithmetic number, because the mean of its divisors is an integer number (258790860).

Almost surely, 2^1966124161 is an apocalyptic number.

It is an amenable number.

1966124161 is a deficient number, since it is larger than the sum of its proper divisors (104202719).

1966124161 is a wasteful number, since it uses less digits than its factorization.

1966124161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36143.

The product of its digits is 15552, while the sum is 37.

The square root of 1966124161 is about 44340.9986468505. The cubic root of 1966124161 is about 1252.7670246866.

The spelling of 1966124161 in words is "one billion, nine hundred sixty-six million, one hundred twenty-four thousand, one hundred sixty-one".