16471313076421 has 16 divisors (see below), whose sum is σ = 18879186038400. Its totient is φ = 14077175112000.

The previous prime is 16471313076389. The next prime is 16471313076473. The reversal of 16471313076421 is 12467031317461.

It is not a de Polignac number, because 16471313076421 - 2⁵ = 16471313076389 is a prime.

It is a super-2 number, since 2×16471313076421² (a number of 27 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 (16471313086421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5921046 + ... + 8246296.

It is an arithmetic number, because the mean of its divisors is an integer number (1179949127400).

Almost surely, 2^{16471313076421} is an apocalyptic number.

It is an amenable number.

16471313076421 is a deficient number, since it is larger than the sum of its proper divisors (2407872961979).

16471313076421 is a wasteful number, since it uses less digits than its factorization.

16471313076421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2328204.

The product of its (nonzero) digits is 508032, while the sum is 46.

The spelling of 16471313076421 in words is "sixteen trillion, four hundred seventy-one billion, three hundred thirteen million, seventy-six thousand, four hundred twenty-one".