1616474072500 has 120 divisors (see below), whose sum is σ = 4040733001536. Its totient is φ = 554104320000.

The previous prime is 1616474072483. The next prime is 1616474072519. The reversal of 1616474072500 is 52704746161.

It is a super-2 number, since 2×1616474072500² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 163987572 + ... + 163997428.

Almost surely, 2^{1616474072500} is an apocalyptic number.

1616474072500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1616474072500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2020366500768).

1616474072500 is an abundant number, since it is smaller than the sum of its proper divisors (2424258929036).

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

1616474072500 is an equidigital number, since it uses as much as digits as its factorization.

1616474072500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19259 (or 19242 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 43.

The spelling of 1616474072500 in words is "one trillion, six hundred sixteen billion, four hundred seventy-four million, seventy-two thousand, five hundred".