1216376336770 has 16 divisors (see below), whose sum is σ = 2502259892928. Its totient is φ = 417043315440.

The previous prime is 1216376336717. The next prime is 1216376336783. The reversal of 1216376336770 is 776336736121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8688402336 + ... + 8688402475.

It is an arithmetic number, because the mean of its divisors is an integer number (156391243308).

Almost surely, 2^{1216376336770} is an apocalyptic number.

1216376336770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1216376336770 is an abundant number, since it is smaller than the sum of its proper divisors (1285883556158).

1216376336770 is a wasteful number, since it uses less digits than its factorization.

1216376336770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17376804825.

The product of its (nonzero) digits is 4000752, while the sum is 52.

The spelling of 1216376336770 in words is "one trillion, two hundred sixteen billion, three hundred seventy-six million, three hundred thirty-six thousand, seven hundred seventy".