16451440502205 has 64 divisors (see below), whose sum is σ = 27626325585408. Its totient is φ = 8343922836480.

The previous prime is 16451440502183. The next prime is 16451440502213. The reversal of 16451440502205 is 50220504415461.

It is not a de Polignac number, because 16451440502205 - 2⁶ = 16451440502141 is a prime.

It is a super-2 number, since 2×16451440502205² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 93772027 + ... + 93947303.

It is an arithmetic number, because the mean of its divisors is an integer number (431661337272).

Almost surely, 2^{16451440502205} is an apocalyptic number.

16451440502205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16451440502205 is a deficient number, since it is larger than the sum of its proper divisors (11174885083203).

16451440502205 is a wasteful number, since it uses less digits than its factorization.

16451440502205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176886.

The product of its (nonzero) digits is 192000, while the sum is 39.

Adding to 16451440502205 its reverse (50220504415461), we get a palindrome (66671944917666).

The spelling of 16451440502205 in words is "sixteen trillion, four hundred fifty-one billion, four hundred forty million, five hundred two thousand, two hundred five".