16774977435220 has 24 divisors (see below), whose sum is σ = 35723613921408. Its totient is φ = 6615484058400.

The previous prime is 16774977435211. The next prime is 16774977435233. The reversal of 16774977435220 is 2253477947761.

It is a congruent number.

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, 5906680776 + ... + 5906683615.

It is an arithmetic number, because the mean of its divisors is an integer number (1488483913392).

Almost surely, 2^{16774977435220} is an apocalyptic number.

16774977435220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16774977435220 is an abundant number, since it is smaller than the sum of its proper divisors (18948636486188).

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

16774977435220 is a wasteful number, since it uses less digits than its factorization.

16774977435220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11813364471 (or 11813364469 counting only the distinct ones).

The product of its (nonzero) digits is 124467840, while the sum is 64.

The spelling of 16774977435220 in words is "sixteen trillion, seven hundred seventy-four billion, nine hundred seventy-seven million, four hundred thirty-five thousand, two hundred twenty".