3650866497600 has 672 divisors, whose sum is σ = 14506027554816. Its totient is φ = 784758374400.

The previous prime is 3650866497547. The next prime is 3650866497667. The reversal of 3650866497600 is 67946680563.

It is a tau number, because it is divible by the number of its divisors (672).

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1144112005 + ... + 1144115195.

It is an arithmetic number, because the mean of its divisors is an integer number (21586350528).

Almost surely, 2^{3650866497600} is an apocalyptic number.

3650866497600 is a gapful number since it is divisible by the number (30) 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 3650866497600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7253013777408).

3650866497600 is an abundant number, since it is smaller than the sum of its proper divisors (10855161057216).

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

3650866497600 is a wasteful number, since it uses less digits than its factorization.

3650866497600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5243 (or 5228 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 60.

It can be divided in two parts, 365086 and 6497600, that added together give a palindrome (6862686).

The spelling of 3650866497600 in words is "three trillion, six hundred fifty billion, eight hundred sixty-six million, four hundred ninety-seven thousand, six hundred".