16380634373 has 4 divisors (see below), whose sum is σ = 16390704000. Its totient is φ = 16370564748.

The previous prime is 16380634367. The next prime is 16380634379. The reversal of 16380634373 is 37343608361.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 37343608361 = 61 ⋅612190301.

It is an interprime number because it is at equal distance from previous prime (16380634367) and next prime (16380634379).

It is a cyclic number.

It is not a de Polignac number, because 16380634373 - 2²⁴ = 16363857157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16380634379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5032373 + ... + 5035626.

It is an arithmetic number, because the mean of its divisors is an integer number (4097676000).

Almost surely, 2^16380634373 is an apocalyptic number.

It is an amenable number.

16380634373 is a deficient number, since it is larger than the sum of its proper divisors (10069627).

16380634373 is a wasteful number, since it uses less digits than its factorization.

16380634373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10069626.

The product of its (nonzero) digits is 653184, while the sum is 44.

The spelling of 16380634373 in words is "sixteen billion, three hundred eighty million, six hundred thirty-four thousand, three hundred seventy-three".