16397430363 has 6 divisors (see below), whose sum is σ = 23685177204. Its totient is φ = 10931620236.

The previous prime is 16397430349. The next prime is 16397430373. The reversal of 16397430363 is 36303479361.

16397430363 is a `hidden beast` number, since 1 + 639 + 7 + 4 + 3 + 0 + 3 + 6 + 3 = 666.

It is not a de Polignac number, because 16397430363 - 2¹⁴ = 16397413979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16397430373) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 910968345 + ... + 910968362.

It is an arithmetic number, because the mean of its divisors is an integer number (3947529534).

Almost surely, 2^16397430363 is an apocalyptic number.

16397430363 is a deficient number, since it is larger than the sum of its proper divisors (7287746841).

16397430363 is a wasteful number, since it uses less digits than its factorization.

16397430363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1821936713 (or 1821936710 counting only the distinct ones).

The product of its (nonzero) digits is 734832, while the sum is 45.

The spelling of 16397430363 in words is "sixteen billion, three hundred ninety-seven million, four hundred thirty thousand, three hundred sixty-three".