120775186777816 has 64 divisors (see below), whose sum is σ = 228955220182080. Its totient is φ = 59721386434560.

The previous prime is 120775186777799. The next prime is 120775186777823. The reversal of 120775186777816 is 618777681577021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11786389605 + ... + 11786399851.

It is an arithmetic number, because the mean of its divisors is an integer number (3577425315345).

Almost surely, 2^{120775186777816} is an apocalyptic number.

It is an amenable number.

120775186777816 is a deficient number, since it is larger than the sum of its proper divisors (108180033404264).

120775186777816 is a wasteful number, since it uses less digits than its factorization.

120775186777816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19964 (or 19960 counting only the distinct ones).

The product of its (nonzero) digits is 387233280, while the sum is 73.

The spelling of 120775186777816 in words is "one hundred twenty trillion, seven hundred seventy-five billion, one hundred eighty-six million, seven hundred seventy-seven thousand, eight hundred sixteen".