860016901 has 4 divisors (see below), whose sum is σ = 860157900. Its totient is φ = 859875904.

The previous prime is 860016853. The next prime is 860016917. The reversal of 860016901 is 109610068.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 224220676 + 635796225 = 14974^2 + 25215^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-860016901 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 (860016991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60916 + ... + 73693.

It is an arithmetic number, because the mean of its divisors is an integer number (215039475).

Almost surely, 2^860016901 is an apocalyptic number.

It is an amenable number.

860016901 is a deficient number, since it is larger than the sum of its proper divisors (140999).

860016901 is a wasteful number, since it uses less digits than its factorization.

860016901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140998.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 860016901 is about 29326.0447554729. The cubic root of 860016901 is about 950.9747708461.

Adding to 860016901 its reverse (109610068), we get a palindrome (969626969).

The spelling of 860016901 in words is "eight hundred sixty million, sixteen thousand, nine hundred one".