36667443621 has 8 divisors (see below), whose sum is σ = 50026900000. Its totient is φ = 23876474832.

The previous prime is 36667443611. The next prime is 36667443647. The reversal of 36667443621 is 12634476663.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 36667443621 - 2³⁰ = 35593701797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36667443611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142121746 + ... + 142122003.

It is an arithmetic number, because the mean of its divisors is an integer number (6253362500).

Almost surely, 2^36667443621 is an apocalyptic number.

It is an amenable number.

36667443621 is a deficient number, since it is larger than the sum of its proper divisors (13359456379).

36667443621 is a wasteful number, since it uses less digits than its factorization.

36667443621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284243795.

The product of its digits is 2612736, while the sum is 48.

The spelling of 36667443621 in words is "thirty-six billion, six hundred sixty-seven million, four hundred forty-three thousand, six hundred twenty-one".