6634572106 has 16 divisors (see below), whose sum is σ = 10156033800. Its totient is φ = 3249911808.

The previous prime is 6634572101. The next prime is 6634572127. The reversal of 6634572106 is 6012754366.

It can be written as a sum of positive squares in 4 ways, for example, as 5623650081 + 1010922025 = 74991^2 + 31795^2 .

It is not an unprimeable number, because it can be changed into a prime (6634572101) 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, 151575 + ... + 190378.

Almost surely, 2^6634572106 is an apocalyptic number.

6634572106 is a deficient number, since it is larger than the sum of its proper divisors (3521461694).

6634572106 is a wasteful number, since it uses less digits than its factorization.

6634572106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342153.

The product of its (nonzero) digits is 181440, while the sum is 40.

The square root of 6634572106 is about 81452.8827359720. The cubic root of 6634572106 is about 1879.0469843442.

The spelling of 6634572106 in words is "six billion, six hundred thirty-four million, five hundred seventy-two thousand, one hundred six".