1612166141 has 8 divisors (see below), whose sum is σ = 1642548024. Its totient is φ = 1582067200.

The previous prime is 1612166123. The next prime is 1612166159. The reversal of 1612166141 is 1416612161.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1612166123) and next prime (1612166159).

It can be written as a sum of positive squares in 4 ways, for example, as 24542116 + 1587624025 = 4954^2 + 39845^2 .

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 1612166141 - 2⁶ = 1612166077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1612156141) 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, 59216 + ... + 82041.

It is an arithmetic number, because the mean of its divisors is an integer number (205318503).

Almost surely, 2^1612166141 is an apocalyptic number.

It is an amenable number.

1612166141 is a deficient number, since it is larger than the sum of its proper divisors (30381883).

1612166141 is a wasteful number, since it uses less digits than its factorization.

1612166141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141471.

The product of its digits is 1728, while the sum is 29.

The square root of 1612166141 is about 40151.7887646366. The cubic root of 1612166141 is about 1172.5641140119.

The spelling of 1612166141 in words is "one billion, six hundred twelve million, one hundred sixty-six thousand, one hundred forty-one".