1678896239560 has 64 divisors (see below), whose sum is σ = 3788571165120. Its totient is φ = 669596040960.

The previous prime is 1678896239551. The next prime is 1678896239569. The reversal of 1678896239560 is 659326988761.

It is an interprime number because it is at equal distance from previous prime (1678896239551) and next prime (1678896239569).

It is a self number, because there is not a number n which added to its sum of digits gives 1678896239560.

It is not an unprimeable number, because it can be changed into a prime (1678896239569) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19374730 + ... + 19461190.

It is an arithmetic number, because the mean of its divisors is an integer number (59196424455).

Almost surely, 2^{1678896239560} is an apocalyptic number.

1678896239560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1678896239560 is an abundant number, since it is smaller than the sum of its proper divisors (2109674925560).

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

1678896239560 is a wasteful number, since it uses less digits than its factorization.

1678896239560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87886 (or 87882 counting only the distinct ones).

The product of its (nonzero) digits is 235146240, while the sum is 70.

The spelling of 1678896239560 in words is "one trillion, six hundred seventy-eight billion, eight hundred ninety-six million, two hundred thirty-nine thousand, five hundred sixty".