1381624368078 has 16 divisors (see below), whose sum is σ = 2767190611536. Its totient is φ = 459884476800.

The previous prime is 1381624368073. The next prime is 1381624368121. The reversal of 1381624368078 is 8708634261831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1381624368073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164240251 + ... + 164248662.

It is an arithmetic number, because the mean of its divisors is an integer number (172949413221).

Almost surely, 2^{1381624368078} is an apocalyptic number.

1381624368078 is an abundant number, since it is smaller than the sum of its proper divisors (1385566243458).

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

1381624368078 is a wasteful number, since it uses less digits than its factorization.

1381624368078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328489619.

The product of its (nonzero) digits is 9289728, while the sum is 57.

The spelling of 1381624368078 in words is "one trillion, three hundred eighty-one billion, six hundred twenty-four million, three hundred sixty-eight thousand, seventy-eight".