16378165375 has 32 divisors (see below), whose sum is σ = 24013394496. Its totient is φ = 10995120000.

The previous prime is 16378165373. The next prime is 16378165393. The reversal of 16378165375 is 57356187361.

It is not a de Polignac number, because 16378165375 - 2¹ = 16378165373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16378165373) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 440256 + ... + 476005.

It is an arithmetic number, because the mean of its divisors is an integer number (750418578).

Almost surely, 2^16378165375 is an apocalyptic number.

16378165375 is a deficient number, since it is larger than the sum of its proper divisors (7635229121).

16378165375 is a wasteful number, since it uses less digits than its factorization.

16378165375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916300 (or 916290 counting only the distinct ones).

The product of its digits is 3175200, while the sum is 52.

The spelling of 16378165375 in words is "sixteen billion, three hundred seventy-eight million, one hundred sixty-five thousand, three hundred seventy-five".