6446055466 has 4 divisors (see below), whose sum is σ = 9669083202. Its totient is φ = 3223027732.

The previous prime is 6446055439. The next prime is 6446055467. The reversal of 6446055466 is 6645506446.

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

It can be written as a sum of positive squares in only one way, i.e., 6335364025 + 110691441 = 79595^2 + 10521^2 .

It is not an unprimeable number, because it can be changed into a prime (6446055467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1611513865 + ... + 1611513868.

Almost surely, 2^6446055466 is an apocalyptic number.

6446055466 is a deficient number, since it is larger than the sum of its proper divisors (3223027736).

6446055466 is a wasteful number, since it uses less digits than its factorization.

6446055466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3223027735.

The product of its (nonzero) digits is 2073600, while the sum is 46.

The square root of 6446055466 is about 80287.3306692905. The cubic root of 6446055466 is about 1861.0784459620.

It can be divided in two parts, 6446055 and 466, that added together give a square (6446521 = 2539²).

The spelling of 6446055466 in words is "six billion, four hundred forty-six million, fifty-five thousand, four hundred sixty-six".