1678104470045 has 32 divisors (see below), whose sum is σ = 2159723554560. Its totient is φ = 1248871472640.

The previous prime is 1678104470039. The next prime is 1678104470113. The reversal of 1678104470045 is 5400744018761.

It is not a de Polignac number, because 1678104470045 - 2¹⁰ = 1678104469021 is a prime.

It is a super-2 number, since 2×1678104470045² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 719579 + ... + 1968248.

It is an arithmetic number, because the mean of its divisors is an integer number (67491361080).

Almost surely, 2^{1678104470045} is an apocalyptic number.

It is an amenable number.

1678104470045 is a deficient number, since it is larger than the sum of its proper divisors (481619084515).

1678104470045 is a wasteful number, since it uses less digits than its factorization.

1678104470045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2688005.

The product of its (nonzero) digits is 752640, while the sum is 47.

The spelling of 1678104470045 in words is "one trillion, six hundred seventy-eight billion, one hundred four million, four hundred seventy thousand, forty-five".