1616422776220 has 96 divisors (see below), whose sum is σ = 4157492871168. Its totient is φ = 515779114752.

The previous prime is 1616422776217. The next prime is 1616422776229. The reversal of 1616422776220 is 226772246161.

It is a super-2 number, since 2×1616422776220² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1616422776229) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6664572 + ... + 6902851.

It is an arithmetic number, because the mean of its divisors is an integer number (43307217408).

Almost surely, 2^{1616422776220} is an apocalyptic number.

1616422776220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1616422776220 is an abundant number, since it is smaller than the sum of its proper divisors (2541070094948).

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

1616422776220 is a wasteful number, since it uses less digits than its factorization.

1616422776220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13567499 (or 13567497 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 46.

The spelling of 1616422776220 in words is "one trillion, six hundred sixteen billion, four hundred twenty-two million, seven hundred seventy-six thousand, two hundred twenty".