1616061000000 has 392 divisors, whose sum is σ = 5517444375808. Its totient is φ = 417024000000.

The previous prime is 1616060999989. The next prime is 1616061000077. The reversal of 1616061000000 is 1606161.

It is a super-2 number, since 2×1616061000000² (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 (19) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 92991312 + ... + 93008688.

Almost surely, 2^{1616061000000} is an apocalyptic number.

1616061000000 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 1616061000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2758722187904).

1616061000000 is an abundant number, since it is smaller than the sum of its proper divisors (3901383375808).

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

1616061000000 is an frugal number, since it uses more digits than its factorization.

1616061000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17453 (or 17418 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 1616061000000 its reverse (1606161), we get a palindrome (1616062606161).

The spelling of 1616061000000 in words is "one trillion, six hundred sixteen billion, sixty-one million", and thus it is an aban number.