16375432749 has 8 divisors (see below), whose sum is σ = 23513441952. Its totient is φ = 10077189360.

The previous prime is 16375432741. The next prime is 16375432769. The reversal of 16375432749 is 94723457361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16375432749 - 2³ = 16375432741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16375432741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209941407 + ... + 209941484.

It is an arithmetic number, because the mean of its divisors is an integer number (2939180244).

Almost surely, 2^16375432749 is an apocalyptic number.

It is an amenable number.

16375432749 is a deficient number, since it is larger than the sum of its proper divisors (7138009203).

16375432749 is a wasteful number, since it uses less digits than its factorization.

16375432749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419882907.

The product of its digits is 3810240, while the sum is 51.

The spelling of 16375432749 in words is "sixteen billion, three hundred seventy-five million, four hundred thirty-two thousand, seven hundred forty-nine".