1678413508101 has 20 divisors (see below), whose sum is σ = 2735192385024. Its totient is φ = 1017220307400.

The previous prime is 1678413508091. The next prime is 1678413508117. The reversal of 1678413508101 is 1018053148761.

1678413508101 is a `hidden beast` number, since 1 + 67 + 84 + 1 + 3 + 508 + 1 + 0 + 1 = 666.

It is not a de Polignac number, because 1678413508101 - 2²⁵ = 1678379953669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1678413508801) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 941869765 + ... + 941871546.

Almost surely, 2^{1678413508101} is an apocalyptic number.

1678413508101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1678413508101 is a deficient number, since it is larger than the sum of its proper divisors (1056778876923).

1678413508101 is a wasteful number, since it uses less digits than its factorization.

1678413508101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1883741334 (or 1883741325 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 45.

The spelling of 1678413508101 in words is "one trillion, six hundred seventy-eight billion, four hundred thirteen million, five hundred eight thousand, one hundred one".