1206616601 has 8 divisors (see below), whose sum is σ = 1266856320. Its totient is φ = 1147619088.

The previous prime is 1206616577. The next prime is 1206616681. The reversal of 1206616601 is 1066166021.

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

It is a de Polignac number, because none of the positive numbers 2^k-1206616601 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1206616681) 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, 308561 + ... + 312446.

It is an arithmetic number, because the mean of its divisors is an integer number (158357040).

Almost surely, 2^1206616601 is an apocalyptic number.

It is an amenable number.

1206616601 is a deficient number, since it is larger than the sum of its proper divisors (60239719).

1206616601 is an equidigital number, since it uses as much as digits as its factorization.

1206616601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621103.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 1206616601 is about 34736.3872761691. The cubic root of 1206616601 is about 1064.6080981432.

It can be divided in two parts, 1 and 206616601, that added together give a palindrome (206616602).

The spelling of 1206616601 in words is "one billion, two hundred six million, six hundred sixteen thousand, six hundred one".