7850161 has 8 divisors (see below), whose sum is σ = 8840448. Its totient is φ = 6906000.

The previous prime is 7850149. The next prime is 7850177. The reversal of 7850161 is 1610587.

It is a happy number.

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 7850161 - 2⁷ = 7850033 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7850111) 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, 11170 + ... + 11851.

It is an arithmetic number, because the mean of its divisors is an integer number (1105056).

Almost surely, 2^7850161 is an apocalyptic number.

It is an amenable number.

7850161 is a deficient number, since it is larger than the sum of its proper divisors (990287).

7850161 is a wasteful number, since it uses less digits than its factorization.

7850161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23063.

The product of its (nonzero) digits is 1680, while the sum is 28.

The square root of 7850161 is about 2801.8138767591. The cubic root of 7850161 is about 198.7434637830.

The spelling of 7850161 in words is "seven million, eight hundred fifty thousand, one hundred sixty-one".