3667198812 has 12 divisors (see below), whose sum is σ = 8556797256. Its totient is φ = 1222399600.

The previous prime is 3667198783. The next prime is 3667198823. The reversal of 3667198812 is 2188917663.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×3667198812² = 26896694253468422688, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152799939 + ... + 152799962.

It is an arithmetic number, because the mean of its divisors is an integer number (713066438).

Almost surely, 2^3667198812 is an apocalyptic number.

It is an amenable number.

3667198812 is an abundant number, since it is smaller than the sum of its proper divisors (4889598444).

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

3667198812 is a wasteful number, since it uses less digits than its factorization.

3667198812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305599908 (or 305599906 counting only the distinct ones).

The product of its digits is 870912, while the sum is 51.

The square root of 3667198812 is about 60557.4009680072. The cubic root of 3667198812 is about 1542.0962642677.

The spelling of 3667198812 in words is "three billion, six hundred sixty-seven million, one hundred ninety-eight thousand, eight hundred twelve".