16374677401 has 2 divisors, whose sum is σ = 16374677402. Its totient is φ = 16374677400.

The previous prime is 16374677387. The next prime is 16374677447. The reversal of 16374677401 is 10477647361.

It is a happy number.

16374677401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (16374677447) can be obtained adding 16374677401 to its sum of digits (46).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8930439001 + 7444238400 = 94501^2 + 86280^2 .

It is an emirp because it is prime and its reverse (10477647361) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16374677401 - 2¹⁹ = 16374153113 is a prime.

It is a super-2 number, since 2×16374677401² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16374677701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8187338700 + 8187338701.

It is an arithmetic number, because the mean of its divisors is an integer number (8187338701).

Almost surely, 2^16374677401 is an apocalyptic number.

It is an amenable number.

16374677401 is a deficient number, since it is larger than the sum of its proper divisors (1).

16374677401 is an equidigital number, since it uses as much as digits as its factorization.

16374677401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 592704, while the sum is 46.

The spelling of 16374677401 in words is "sixteen billion, three hundred seventy-four million, six hundred seventy-seven thousand, four hundred one".