3667212549 has 160 divisors (see below), whose sum is σ = 7597793280. Its totient is φ = 1700611200.

The previous prime is 3667212547. The next prime is 3667212557. The reversal of 3667212549 is 9452127663.

3667212549 is a `hidden beast` number, since 36 + 6 + 72 + 1 + 2 + 549 = 666.

It is not a de Polignac number, because 3667212549 - 2¹ = 3667212547 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3667212541) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 2512782 + ... + 2514240.

It is an arithmetic number, because the mean of its divisors is an integer number (47486208).

Almost surely, 2^3667212549 is an apocalyptic number.

3667212549 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

3667212549 is an abundant number, since it is smaller than the sum of its proper divisors (3930580731).

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

3667212549 is a wasteful number, since it uses less digits than its factorization.

3667212549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1533 (or 1524 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The square root of 3667212549 is about 60557.5143892152. The cubic root of 3667212549 is about 1542.0981897837.

The spelling of 3667212549 in words is "three billion, six hundred sixty-seven million, two hundred twelve thousand, five hundred forty-nine".