1616422472450 has 192 divisors, whose sum is σ = 3308981738400. Its totient is φ = 584963850240.

The previous prime is 1616422472447. The next prime is 1616422472471. The reversal of 1616422472450 is 542742246161.

It is a happy number.

It can be written as a sum of positive squares in 48 ways, for example, as 831669217681 + 784753254769 = 911959^2 + 885863^2 .

It is a super-2 number, since 2×1616422472450² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1595678144 + ... + 1595679156.

Almost surely, 2^{1616422472450} is an apocalyptic number.

1616422472450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1616422472450 is an abundant number, since it is smaller than the sum of its proper divisors (1692559265950).

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

1616422472450 is a wasteful number, since it uses less digits than its factorization.

1616422472450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1641 (or 1636 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 44.

The spelling of 1616422472450 in words is "one trillion, six hundred sixteen billion, four hundred twenty-two million, four hundred seventy-two thousand, four hundred fifty".