16355374747780 has 48 divisors (see below), whose sum is σ = 34476480360000. Its totient is φ = 6517354706816.

The previous prime is 16355374747763. The next prime is 16355374747867. The reversal of 16355374747780 is 8774747355361.

It is a happy number.

It is a super-2 number, since 2×16355374747780² (a number of 27 digits) contains 22 as substring.

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, 78977211 + ... + 79184029.

It is an arithmetic number, because the mean of its divisors is an integer number (718260007500).

Almost surely, 2^{16355374747780} is an apocalyptic number.

16355374747780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16355374747780 is an abundant number, since it is smaller than the sum of its proper divisors (18121105612220).

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

16355374747780 is a wasteful number, since it uses less digits than its factorization.

16355374747780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221796 (or 221794 counting only the distinct ones).

The product of its (nonzero) digits is 414892800, while the sum is 67.

The spelling of 16355374747780 in words is "sixteen trillion, three hundred fifty-five billion, three hundred seventy-four million, seven hundred forty-seven thousand, seven hundred eighty".