16399753364 has 6 divisors (see below), whose sum is σ = 28699568394. Its totient is φ = 8199876680.

The previous prime is 16399753351. The next prime is 16399753387. The reversal of 16399753364 is 46335799361.

It can be written as a sum of positive squares in only one way, i.e., 15264602500 + 1135150864 = 123550^2 + 33692^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2049969167 + ... + 2049969174.

It is an arithmetic number, because the mean of its divisors is an integer number (4783261399).

Almost surely, 2^16399753364 is an apocalyptic number.

It is an amenable number.

16399753364 is a deficient number, since it is larger than the sum of its proper divisors (12299815030).

16399753364 is a wasteful number, since it uses less digits than its factorization.

16399753364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4099938345 (or 4099938343 counting only the distinct ones).

The product of its digits is 11022480, while the sum is 56.

The spelling of 16399753364 in words is "sixteen billion, three hundred ninety-nine million, seven hundred fifty-three thousand, three hundred sixty-four".