3698199666144 has 144 divisors (see below), whose sum is σ = 11494594500480. Its totient is φ = 1122793021440.

The previous prime is 3698199666101. The next prime is 3698199666169. The reversal of 3698199666144 is 4416669918963.

3698199666144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12031309 + ... + 12334860.

It is an arithmetic number, because the mean of its divisors is an integer number (79823572920).

Almost surely, 2^{3698199666144} is an apocalyptic number.

3698199666144 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

3698199666144 is an abundant number, since it is smaller than the sum of its proper divisors (7796394834336).

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

3698199666144 is a wasteful number, since it uses less digits than its factorization.

3698199666144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24366233 (or 24366222 counting only the distinct ones).

The product of its digits is 362797056, while the sum is 72.

The spelling of 3698199666144 in words is "three trillion, six hundred ninety-eight billion, one hundred ninety-nine million, six hundred sixty-six thousand, one hundred forty-four".