412412661 has 8 divisors (see below), whose sum is σ = 610981760. Its totient is φ = 274941756.

The previous prime is 412412653. The next prime is 412412711. The reversal of 412412661 is 166214214.

It is not a de Polignac number, because 412412661 - 2³ = 412412653 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 15274543 = 412412661 / (4 + 1 + 2 + 4 + 1 + 2 + 6 + 6 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (412412621) 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, 7637245 + ... + 7637298.

It is an arithmetic number, because the mean of its divisors is an integer number (76372720).

Almost surely, 2^412412661 is an apocalyptic number.

It is an amenable number.

412412661 is a deficient number, since it is larger than the sum of its proper divisors (198569099).

412412661 is a wasteful number, since it uses less digits than its factorization.

412412661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15274552 (or 15274546 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 412412661 is about 20307.9457602191. The cubic root of 412412661 is about 744.3502350763.

Adding to 412412661 its reverse (166214214), we get a palindrome (578626875).

The spelling of 412412661 in words is "four hundred twelve million, four hundred twelve thousand, six hundred sixty-one".