214400652161 has 4 divisors (see below), whose sum is σ = 214409228292. Its totient is φ = 214392076032.

The previous prime is 214400652127. The next prime is 214400652211. The reversal of 214400652161 is 161256004412.

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 124058928400 + 90341723761 = 352220^2 + 300569^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-214400652161 is a prime.

It is a super-2 number, since 2×214400652161² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (214400652061) 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, 4250456 + ... + 4300601.

It is an arithmetic number, because the mean of its divisors is an integer number (53602307073).

Almost surely, 2^214400652161 is an apocalyptic number.

It is an amenable number.

214400652161 is a deficient number, since it is larger than the sum of its proper divisors (8576131).

214400652161 is an equidigital number, since it uses as much as digits as its factorization.

214400652161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8576130.

The product of its (nonzero) digits is 11520, while the sum is 32.

Adding to 214400652161 its reverse (161256004412), we get a palindrome (375656656573).

The spelling of 214400652161 in words is "two hundred fourteen billion, four hundred million, six hundred fifty-two thousand, one hundred sixty-one".