10140161 has 8 divisors (see below), whose sum is σ = 10487400. Its totient is φ = 9797760.

The previous prime is 10140157. The next prime is 10140187. The reversal of 10140161 is 16104101.

10140161 = T₃₄₃ + T₃₄₄ + ... + T₄₆₅.

It can be written as a sum of positive squares in 4 ways, for example, as 59536 + 10080625 = 244^2 + 3175^2 .

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 10140161 - 2² = 10140157 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10140101) 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, 3335 + ... + 5603.

It is an arithmetic number, because the mean of its divisors is an integer number (1310925).

Almost surely, 2^10140161 is an apocalyptic number.

It is an amenable number.

10140161 is a deficient number, since it is larger than the sum of its proper divisors (347239).

10140161 is a wasteful number, since it uses less digits than its factorization.

10140161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2419.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 10140161 is about 3184.3619455081. The cubic root of 10140161 is about 216.4453616741.

Adding to 10140161 its reverse (16104101), we get a palindrome (26244262).

It can be divided in two parts, 10140 and 161, that added together give a palindrome (10301).

The spelling of 10140161 in words is "ten million, one hundred forty thousand, one hundred sixty-one".