366004521021 has 8 divisors (see below), whose sum is σ = 499355005600. Its totient is φ = 238328525232.

The previous prime is 366004521011. The next prime is 366004521031. The reversal of 366004521021 is 120125400663.

It is an interprime number because it is at equal distance from previous prime (366004521011) and next prime (366004521031).

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

It is not a de Polignac number, because 366004521021 - 2¹³ = 366004512829 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 366004521021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (366004521011) 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, 1418622046 + ... + 1418622303.

It is an arithmetic number, because the mean of its divisors is an integer number (62419375700).

Almost surely, 2^366004521021 is an apocalyptic number.

It is an amenable number.

366004521021 is a deficient number, since it is larger than the sum of its proper divisors (133350484579).

366004521021 is a wasteful number, since it uses less digits than its factorization.

366004521021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2837244395.

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 366004521021 its reverse (120125400663), we get a palindrome (486129921684).

The spelling of 366004521021 in words is "three hundred sixty-six billion, four million, five hundred twenty-one thousand, twenty-one".