1612010161 has 8 divisors (see below), whose sum is σ = 1655942400. Its totient is φ = 1568297760.

The previous prime is 1612010149. The next prime is 1612010173. The reversal of 1612010161 is 1610102161.

It is an interprime number because it is at equal distance from previous prime (1612010149) and next prime (1612010173).

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 1612010161 - 2⁷ = 1612010033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1612010761) 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, 40041 + ... + 69478.

It is an arithmetic number, because the mean of its divisors is an integer number (206992800).

Almost surely, 2^1612010161 is an apocalyptic number.

It is an amenable number.

1612010161 is a deficient number, since it is larger than the sum of its proper divisors (43932239).

1612010161 is a wasteful number, since it uses less digits than its factorization.

1612010161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109919.

The product of its (nonzero) digits is 72, while the sum is 19.

The square root of 1612010161 is about 40149.8463384357. The cubic root of 1612010161 is about 1172.5262968902.

The spelling of 1612010161 in words is "one billion, six hundred twelve million, ten thousand, one hundred sixty-one".