3662120862000 has 320 divisors, whose sum is σ = 13185160560000. Its totient is φ = 971605555200.

The previous prime is 3662120861989. The next prime is 3662120862007. The reversal of 3662120862000 is 2680212663.

3662120862000 is a `hidden beast` number, since 3 + 6 + 6 + 2 + 1 + 20 + 8 + 620 + 0 + 0 = 666.

It is a super-2 number, since 2×3662120862000² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (3662120862007) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 10465876 + ... + 10810124.

It is an arithmetic number, because the mean of its divisors is an integer number (41203626750).

Almost surely, 2^{3662120862000} is an apocalyptic number.

3662120862000 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 3662120862000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6592580280000).

3662120862000 is an abundant number, since it is smaller than the sum of its proper divisors (9523039698000).

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

3662120862000 is a wasteful number, since it uses less digits than its factorization.

3662120862000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344478 (or 344456 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The spelling of 3662120862000 in words is "three trillion, six hundred sixty-two billion, one hundred twenty million, eight hundred sixty-two thousand".