1616471750020 has 24 divisors (see below), whose sum is σ = 3394639715544. Its totient is φ = 646579358976.

The previous prime is 1616471750009. The next prime is 1616471750029. The reversal of 1616471750020 is 200571746161.

It can be written as a sum of positive squares in 4 ways, for example, as 2819822404 + 1613651927616 = 53102^2 + 1270296^2 .

It is a super-2 number, since 2×1616471750020² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1616471750029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 931074 + ... + 2024806.

It is an arithmetic number, because the mean of its divisors is an integer number (141443321481).

Almost surely, 2^{1616471750020} is an apocalyptic number.

1616471750020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1616471750020 is an abundant number, since it is smaller than the sum of its proper divisors (1778167965524).

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

1616471750020 is a wasteful number, since it uses less digits than its factorization.

1616471750020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1167639 (or 1167637 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 40.

The spelling of 1616471750020 in words is "one trillion, six hundred sixteen billion, four hundred seventy-one million, seven hundred fifty thousand, twenty".