1616649092500 has 120 divisors (see below), whose sum is σ = 3824323424768. Its totient is φ = 594237168000.

The previous prime is 1616649092473. The next prime is 1616649092501. The reversal of 1616649092500 is 52909466161.

It is a super-2 number, since 2×1616649092500² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1616649092501) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 7135969 + ... + 7359031.

Almost surely, 2^{1616649092500} is an apocalyptic number.

1616649092500 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 1616649092500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1912161712384).

1616649092500 is an abundant number, since it is smaller than the sum of its proper divisors (2207674332268).

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

1616649092500 is a wasteful number, since it uses less digits than its factorization.

1616649092500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223323 (or 223306 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 49.

The spelling of 1616649092500 in words is "one trillion, six hundred sixteen billion, six hundred forty-nine million, ninety-two thousand, five hundred".