16361953 has 2 divisors, whose sum is σ = 16361954. Its totient is φ = 16361952.

The previous prime is 16361951. The next prime is 16361963. The reversal of 16361953 is 35916361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14531344 + 1830609 = 3812^2 + 1353^2 .

It is a cyclic number.

It is not a de Polignac number, because 16361953 - 2¹ = 16361951 is a prime.

Together with 16361951, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (16361951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8180976 + 8180977.

It is an arithmetic number, because the mean of its divisors is an integer number (8180977).

Almost surely, 2^16361953 is an apocalyptic number.

It is an amenable number.

16361953 is a deficient number, since it is larger than the sum of its proper divisors (1).

16361953 is an equidigital number, since it uses as much as digits as its factorization.

16361953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14580, while the sum is 34.

The square root of 16361953 is about 4044.9911001138. The cubic root of 16361953 is about 253.8701932474.

The spelling of 16361953 in words is "sixteen million, three hundred sixty-one thousand, nine hundred fifty-three".