3667121875 has 24 divisors (see below), whose sum is σ = 4628516256. Its totient is φ = 2904960000.

The previous prime is 3667121851. The next prime is 3667121879. The reversal of 3667121875 is 5781217663.

It is not a de Polignac number, because 3667121875 - 2⁹ = 3667121363 is a prime.

It is a super-2 number, since 2×3667121875² = 26895565692207031250, which contains 22 as substring.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3667121879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 316179 + ... + 327571.

It is an arithmetic number, because the mean of its divisors is an integer number (192854844).

Almost surely, 2^3667121875 is an apocalyptic number.

3667121875 is a deficient number, since it is larger than the sum of its proper divisors (961394381).

3667121875 is an equidigital number, since it uses as much as digits as its factorization.

3667121875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11521 (or 11501 counting only the distinct ones).

The product of its digits is 423360, while the sum is 46.

The square root of 3667121875 is about 60556.7657244011. The cubic root of 3667121875 is about 1542.0854799156.

The spelling of 3667121875 in words is "three billion, six hundred sixty-seven million, one hundred twenty-one thousand, eight hundred seventy-five".