16463957 has 2 divisors, whose sum is σ = 16463958. Its totient is φ = 16463956.

The previous prime is 16463947. The next prime is 16463971. The reversal of 16463957 is 75936461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16072081 + 391876 = 4009^2 + 626^2 .

It is an emirp because it is prime and its reverse (75936461) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16463957 - 2¹⁰ = 16462933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16463917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8231978 + 8231979.

It is an arithmetic number, because the mean of its divisors is an integer number (8231979).

Almost surely, 2^16463957 is an apocalyptic number.

It is an amenable number.

16463957 is a deficient number, since it is larger than the sum of its proper divisors (1).

16463957 is an equidigital number, since it uses as much as digits as its factorization.

16463957 is an evil number, because the sum of its binary digits is even.

The product of its digits is 136080, while the sum is 41.

The square root of 16463957 is about 4057.5801902119. The cubic root of 16463957 is about 254.3966615219.

The spelling of 16463957 in words is "sixteen million, four hundred sixty-three thousand, nine hundred fifty-seven".