16671264740420 has 24 divisors (see below), whose sum is σ = 35011131477504. Its totient is φ = 6668224844256.

The previous prime is 16671264740341. The next prime is 16671264740477. The reversal of 16671264740420 is 2404746217661.

It is a super-2 number, since 2×16671264740420² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17079014 + ... + 18028733.

It is an arithmetic number, because the mean of its divisors is an integer number (1458797144896).

Almost surely, 2^{16671264740420} is an apocalyptic number.

16671264740420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16671264740420 is an abundant number, since it is smaller than the sum of its proper divisors (18339866737084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16671264740420 is a wasteful number, since it uses less digits than its factorization.

16671264740420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35131499 (or 35131497 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 50.

The spelling of 16671264740420 in words is "sixteen trillion, six hundred seventy-one billion, two hundred sixty-four million, seven hundred forty thousand, four hundred twenty".