451505660103 has 12 divisors (see below), whose sum is σ = 673212740928. Its totient is φ = 291293974080.

The previous prime is 451505660063. The next prime is 451505660131. The reversal of 451505660103 is 301066505154.

451505660103 is a `hidden beast` number, since 45 + 1 + 5 + 0 + 5 + 6 + 601 + 0 + 3 = 666.

It is not a de Polignac number, because 451505660103 - 2¹³ = 451505651911 is a prime.

It is a super-2 number, since 2×451505660103² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451505610103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 809149650 + ... + 809150207.

It is an arithmetic number, because the mean of its divisors is an integer number (56101061744).

Almost surely, 2^451505660103 is an apocalyptic number.

451505660103 is a deficient number, since it is larger than the sum of its proper divisors (221707080825).

451505660103 is a wasteful number, since it uses less digits than its factorization.

451505660103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1618299894 (or 1618299891 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The spelling of 451505660103 in words is "four hundred fifty-one billion, five hundred five million, six hundred sixty thousand, one hundred three".