368645081 has 32 divisors (see below), whose sum is σ = 454809600. Its totient is φ = 298071312.

The previous prime is 368645077. The next prime is 368645093. The reversal of 368645081 is 180546863.

It is not a de Polignac number, because 368645081 - 2² = 368645077 is a prime.

It is a super-2 number, since 2×368645081² = 271798391490993122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (368675081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 654506 + ... + 655068.

It is an arithmetic number, because the mean of its divisors is an integer number (14212800).

Almost surely, 2^368645081 is an apocalyptic number.

It is an amenable number.

368645081 is a deficient number, since it is larger than the sum of its proper divisors (86164519).

368645081 is an equidigital number, since it uses as much as digits as its factorization.

368645081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690 (or 676 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 368645081 is about 19200.1323172524. The cubic root of 368645081 is about 717.0280537074.

The spelling of 368645081 in words is "three hundred sixty-eight million, six hundred forty-five thousand, eighty-one".