3661462121408 has 112 divisors (see below), whose sum is σ = 9029238167040. Its totient is φ = 1434427259904.

The previous prime is 3661462121351. The next prime is 3661462121437. The reversal of 3661462121408 is 8041212641663.

It is a tau number, because it is divible by the number of its divisors (112).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2451998 + ... + 3651741.

It is an arithmetic number, because the mean of its divisors is an integer number (80618197920).

Almost surely, 2^{3661462121408} is an apocalyptic number.

It is an amenable number.

3661462121408 is an abundant number, since it is smaller than the sum of its proper divisors (5367776045632).

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

3661462121408 is a wasteful number, since it uses less digits than its factorization.

3661462121408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6103874 (or 6103864 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 44.

The spelling of 3661462121408 in words is "three trillion, six hundred sixty-one billion, four hundred sixty-two million, one hundred twenty-one thousand, four hundred eight".