16421153705371 has 8 divisors (see below), whose sum is σ = 17497849811040. Its totient is φ = 15356762698368.

The previous prime is 16421153705357. The next prime is 16421153705377. The reversal of 16421153705371 is 17350735112461.

It is a happy number.

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 16421153705371 - 2¹⁵ = 16421153672603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16421153705377) 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, 3076271911 + ... + 3076277248.

It is an arithmetic number, because the mean of its divisors is an integer number (2187231226380).

Almost surely, 2^{16421153705371} is an apocalyptic number.

16421153705371 is a deficient number, since it is larger than the sum of its proper divisors (1076696105669).

16421153705371 is a wasteful number, since it uses less digits than its factorization.

16421153705371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6152549333.

The product of its (nonzero) digits is 529200, while the sum is 46.

The spelling of 16421153705371 in words is "sixteen trillion, four hundred twenty-one billion, one hundred fifty-three million, seven hundred five thousand, three hundred seventy-one".