1306445162646 has 32 divisors (see below), whose sum is σ = 2813937573888. Its totient is φ = 401975172000.

The previous prime is 1306445162641. The next prime is 1306445162651. The reversal of 1306445162646 is 6462615446031.

It is an interprime number because it is at equal distance from previous prime (1306445162641) and next prime (1306445162651).

It is a super-2 number, since 2×1306445162646² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1306445162595 and 1306445162604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1306445162641) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 4717521 + ... + 4986771.

It is an arithmetic number, because the mean of its divisors is an integer number (87935549184).

Almost surely, 2^{1306445162646} is an apocalyptic number.

1306445162646 is an abundant number, since it is smaller than the sum of its proper divisors (1507492411242).

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

1306445162646 is a wasteful number, since it uses less digits than its factorization.

1306445162646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331476.

The product of its (nonzero) digits is 2488320, while the sum is 48.

The spelling of 1306445162646 in words is "one trillion, three hundred six billion, four hundred forty-five million, one hundred sixty-two thousand, six hundred forty-six".