36669051616 has 48 divisors (see below), whose sum is σ = 75458918304. Its totient is φ = 17507590144.

The previous prime is 36669051611. The next prime is 36669051667. The reversal of 36669051616 is 61615096663.

It is a super-2 number, since 2×36669051616² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 36669051616.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36669051611) 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, 394440 + ... + 478456.

It is an arithmetic number, because the mean of its divisors is an integer number (1572060798).

Almost surely, 2^36669051616 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 36669051616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37729459152).

36669051616 is an abundant number, since it is smaller than the sum of its proper divisors (38789866688).

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

36669051616 is a wasteful number, since it uses less digits than its factorization.

36669051616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84643 (or 84635 counting only the distinct ones).

The product of its (nonzero) digits is 1049760, while the sum is 49.

The spelling of 36669051616 in words is "thirty-six billion, six hundred sixty-nine million, fifty-one thousand, six hundred sixteen".