1616111422500 has 120 divisors (see below), whose sum is σ = 4760730953440. Its totient is φ = 426519936000.

The previous prime is 1616111422463. The next prime is 1616111422511. The reversal of 1616111422500 is 52241116161.

It is a super-2 number, since 2×1616111422500² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 383230 + ... + 1838229.

Almost surely, 2^{1616111422500} is an apocalyptic number.

1616111422500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1616111422500 is an abundant number, since it is smaller than the sum of its proper divisors (3144619530940).

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

1616111422500 is a wasteful number, since it uses less digits than its factorization.

1616111422500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2221583 (or 2221566 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 30.

Adding to 1616111422500 its reverse (52241116161), we get a palindrome (1668352538661).

The spelling of 1616111422500 in words is "one trillion, six hundred sixteen billion, one hundred eleven million, four hundred twenty-two thousand, five hundred".