109666503780 has 48 divisors (see below), whose sum is σ = 320416919424. Its totient is φ = 27972904960.

The previous prime is 109666503671. The next prime is 109666503797. The reversal of 109666503780 is 87305666901.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39732861 + ... + 39735620.

It is an arithmetic number, because the mean of its divisors is an integer number (6675352488).

Almost surely, 2^109666503780 is an apocalyptic number.

109666503780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109666503780 is an abundant number, since it is smaller than the sum of its proper divisors (210750415644).

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

109666503780 is a wasteful number, since it uses less digits than its factorization.

109666503780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79468516 (or 79468514 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 51.

The spelling of 109666503780 in words is "one hundred nine billion, six hundred sixty-six million, five hundred three thousand, seven hundred eighty".