16774957979790 has 64 divisors (see below), whose sum is σ = 41228528062464. Its totient is φ = 4366215376128.

The previous prime is 16774957979753. The next prime is 16774957979803. The reversal of 16774957979790 is 9797975947761.

16774957979790 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 16774957979697 and 16774957979706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15691159 + ... + 16726098.

It is an arithmetic number, because the mean of its divisors is an integer number (644195750976).

Almost surely, 2^{16774957979790} is an apocalyptic number.

16774957979790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16774957979790 is an abundant number, since it is smaller than the sum of its proper divisors (24453570082674).

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

16774957979790 is a wasteful number, since it uses less digits than its factorization.

16774957979790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32417681.

The product of its (nonzero) digits is 13232487240, while the sum is 87.

The spelling of 16774957979790 in words is "sixteen trillion, seven hundred seventy-four billion, nine hundred fifty-seven million, nine hundred seventy-nine thousand, seven hundred ninety".