6632172601 has 4 divisors (see below), whose sum is σ = 6740896804. Its totient is φ = 6523448400.

The previous prime is 6632172593. The next prime is 6632172611. The reversal of 6632172601 is 1062712366.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1317762601 + 5314410000 = 36301^2 + 72900^2 .

It is a cyclic number.

It is not a de Polignac number, because 6632172601 - 2³ = 6632172593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6632172611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54362010 + ... + 54362131.

It is an arithmetic number, because the mean of its divisors is an integer number (1685224201).

Almost surely, 2^6632172601 is an apocalyptic number.

6632172601 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

6632172601 is a deficient number, since it is larger than the sum of its proper divisors (108724203).

6632172601 is a wasteful number, since it uses less digits than its factorization.

6632172601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108724202.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 6632172601 is about 81438.1519989249. The cubic root of 6632172601 is about 1878.8204273420.

Adding to 6632172601 its reverse (1062712366), we get a palindrome (7694884967).

The spelling of 6632172601 in words is "six billion, six hundred thirty-two million, one hundred seventy-two thousand, six hundred one".