1616390467636 has 96 divisors (see below), whose sum is σ = 3371558400000. Its totient is φ = 677568586464.

The previous prime is 1616390467493. The next prime is 1616390467651. The reversal of 1616390467636 is 6367640936161.

It is a super-2 number, since 2×1616390467636² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16058481 + ... + 16158823.

It is an arithmetic number, because the mean of its divisors is an integer number (35120400000).

Almost surely, 2^{1616390467636} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1616390467636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1685779200000).

1616390467636 is an abundant number, since it is smaller than the sum of its proper divisors (1755167932364).

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

1616390467636 is a wasteful number, since it uses less digits than its factorization.

1616390467636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100626 (or 100610 counting only the distinct ones).

The product of its (nonzero) digits is 17635968, while the sum is 58.

The spelling of 1616390467636 in words is "one trillion, six hundred sixteen billion, three hundred ninety million, four hundred sixty-seven thousand, six hundred thirty-six".