1578711168146 has 16 divisors (see below), whose sum is σ = 2706438439680. Its totient is φ = 676571391360.

The previous prime is 1578711168113. The next prime is 1578711168173. The reversal of 1578711168146 is 6418611178751.

It is a junction number, because it is equal to n+sod(n) for n = 1578711168091 and 1578711168100.

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 7 ways as a sum of consecutive naturals, for example, 1073210 + ... + 2075861.

It is an arithmetic number, because the mean of its divisors is an integer number (169152402480).

Almost surely, 2^{1578711168146} is an apocalyptic number.

1578711168146 is a deficient number, since it is larger than the sum of its proper divisors (1127727271534).

1578711168146 is a wasteful number, since it uses less digits than its factorization.

1578711168146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3184889.

The product of its digits is 2257920, while the sum is 56.

The spelling of 1578711168146 in words is "one trillion, five hundred seventy-eight billion, seven hundred eleven million, one hundred sixty-eight thousand, one hundred forty-six".