16313657226780 has 48 divisors (see below), whose sum is σ = 45678583792800. Its totient is φ = 4350275874048.

The previous prime is 16313657226761. The next prime is 16313657226787. The reversal of 16313657226780 is 8762275631361.

It is a super-2 number, since 2×16313657226780² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16313657226780.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16313657226787) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7625922 + ... + 9527958.

It is an arithmetic number, because the mean of its divisors is an integer number (951637162350).

Almost surely, 2^{16313657226780} is an apocalyptic number.

16313657226780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16313657226780 is an abundant number, since it is smaller than the sum of its proper divisors (29364926566020).

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

16313657226780 is a wasteful number, since it uses less digits than its factorization.

16313657226780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2044998 (or 2044996 counting only the distinct ones).

The product of its (nonzero) digits is 15240960, while the sum is 57.

The spelling of 16313657226780 in words is "sixteen trillion, three hundred thirteen billion, six hundred fifty-seven million, two hundred twenty-six thousand, seven hundred eighty".