1672560851393 has 16 divisors (see below), whose sum is σ = 1740026608080. Its totient is φ = 1605755805696.

The previous prime is 1672560851383. The next prime is 1672560851447. The reversal of 1672560851393 is 3931580652761.

It can be written as a sum of positive squares in 8 ways, for example, as 384272290609 + 1288288560784 = 619897^2 + 1135028^2 .

It is a cyclic number.

It is not a de Polignac number, because 1672560851393 - 2¹⁰ = 1672560850369 is a prime.

It is a super-2 number, since 2×1672560851393² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1672560851323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11890871 + ... + 12030707.

It is an arithmetic number, because the mean of its divisors is an integer number (108751663005).

Almost surely, 2^{1672560851393} is an apocalyptic number.

It is an amenable number.

1672560851393 is a deficient number, since it is larger than the sum of its proper divisors (67465756687).

1672560851393 is a wasteful number, since it uses less digits than its factorization.

1672560851393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142196.

The product of its (nonzero) digits is 8164800, while the sum is 56.

The spelling of 1672560851393 in words is "one trillion, six hundred seventy-two billion, five hundred sixty million, eight hundred fifty-one thousand, three hundred ninety-three".