16231701 has 4 divisors (see below), whose sum is σ = 21642272. Its totient is φ = 10821132.

The previous prime is 16231697. The next prime is 16231711. The reversal of 16231701 is 10713261.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 16231701 - 2² = 16231697 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 (16231711) 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, 2705281 + ... + 2705286.

It is an arithmetic number, because the mean of its divisors is an integer number (5410568).

Almost surely, 2^16231701 is an apocalyptic number.

It is an amenable number.

16231701 is a deficient number, since it is larger than the sum of its proper divisors (5410571).

16231701 is an equidigital number, since it uses as much as digits as its factorization.

16231701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5410570.

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 16231701 is about 4028.8585232048. The cubic root of 16231701 is about 253.1947393270.

Adding to 16231701 its reverse (10713261), we get a palindrome (26944962).

The spelling of 16231701 in words is "sixteen million, two hundred thirty-one thousand, seven hundred one".