16421370373 has 8 divisors (see below), whose sum is σ = 17045694720. Its totient is φ = 15808501680.

The previous prime is 16421370341. The next prime is 16421370409. The reversal of 16421370373 is 37307312461.

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 16421370373 - 2⁵ = 16421370341 is a prime.

It is a super-2 number, since 2×16421370373² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16421370773) 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, 2860993 + ... + 2866726.

It is an arithmetic number, because the mean of its divisors is an integer number (2130711840).

Almost surely, 2^16421370373 is an apocalyptic number.

It is an amenable number.

16421370373 is a deficient number, since it is larger than the sum of its proper divisors (624324347).

16421370373 is an equidigital number, since it uses as much as digits as its factorization.

16421370373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5727827.

The product of its (nonzero) digits is 63504, while the sum is 37.

The spelling of 16421370373 in words is "sixteen billion, four hundred twenty-one million, three hundred seventy thousand, three hundred seventy-three".