16370491 has 2 divisors, whose sum is σ = 16370492. Its totient is φ = 16370490.

The previous prime is 16370489. The next prime is 16370527. The reversal of 16370491 is 19407361.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (19407361) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16370491 - 2¹ = 16370489 is a prime.

Together with 16370489, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (16370441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8185245 + 8185246.

It is an arithmetic number, because the mean of its divisors is an integer number (8185246).

Almost surely, 2^16370491 is an apocalyptic number.

16370491 is a deficient number, since it is larger than the sum of its proper divisors (1).

16370491 is an equidigital number, since it uses as much as digits as its factorization.

16370491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 16370491 is about 4046.0463418008. The cubic root of 16370491 is about 253.9143437795.

It can be divided in two parts, 16370 and 491, that added together give a palindrome (16861).

The spelling of 16370491 in words is "sixteen million, three hundred seventy thousand, four hundred ninety-one".