16375491401 has 8 divisors (see below), whose sum is σ = 17196310464. Its totient is φ = 15563742480.

The previous prime is 16375491397. The next prime is 16375491421. The reversal of 16375491401 is 10419457361.

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

It is a cyclic number.

It is not a de Polignac number, because 16375491401 - 2² = 16375491397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16375491421) 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, 2263835 + ... + 2271056.

It is an arithmetic number, because the mean of its divisors is an integer number (2149538808).

Almost surely, 2^16375491401 is an apocalyptic number.

It is an amenable number.

16375491401 is a deficient number, since it is larger than the sum of its proper divisors (820819063).

16375491401 is a wasteful number, since it uses less digits than its factorization.

16375491401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4535071.

The product of its (nonzero) digits is 90720, while the sum is 41.

The spelling of 16375491401 in words is "sixteen billion, three hundred seventy-five million, four hundred ninety-one thousand, four hundred one".