2601626601 has 32 divisors (see below), whose sum is σ = 3996131328. Its totient is φ = 1474790400.

The previous prime is 2601626597. The next prime is 2601626611. The reversal of 2601626601 is 1066261062.

It is not a de Polignac number, because 2601626601 - 2² = 2601626597 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2601626611) 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, 1624201 + ... + 1625801.

It is an arithmetic number, because the mean of its divisors is an integer number (124879104).

Almost surely, 2^2601626601 is an apocalyptic number.

2601626601 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2601626601 is a deficient number, since it is larger than the sum of its proper divisors (1394504727).

2601626601 is a wasteful number, since it uses less digits than its factorization.

2601626601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2181.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 2601626601 is about 51006.1427771205. The cubic root of 2601626601 is about 1375.3555622178.

Adding to 2601626601 its reverse (1066261062), we get a palindrome (3667887663).

The spelling of 2601626601 in words is "two billion, six hundred one million, six hundred twenty-six thousand, six hundred one".