16379449938 has 32 divisors (see below), whose sum is σ = 36911445120. Its totient is φ = 5382916560.

The previous prime is 16379449937. The next prime is 16379449967. The reversal of 16379449938 is 83994497361.

It is not an unprimeable number, because it can be changed into a prime (16379449937) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2132245 + ... + 2139912.

It is an arithmetic number, because the mean of its divisors is an integer number (1153482660).

Almost surely, 2^16379449938 is an apocalyptic number.

16379449938 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

16379449938 is an abundant number, since it is smaller than the sum of its proper divisors (20531995182).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16379449938 is a wasteful number, since it uses less digits than its factorization.

16379449938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4272239 (or 4272233 counting only the distinct ones).

The product of its digits is 35271936, while the sum is 63.

The spelling of 16379449938 in words is "sixteen billion, three hundred seventy-nine million, four hundred forty-nine thousand, nine hundred thirty-eight".