450161647 has 16 divisors (see below), whose sum is σ = 501548320. Its totient is φ = 401334912.

The previous prime is 450161627. The next prime is 450161651. The reversal of 450161647 is 746161054.

It is a cyclic number.

It is not a de Polignac number, because 450161647 - 2¹⁵ = 450128879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450161617) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63493 + ... + 70225.

It is an arithmetic number, because the mean of its divisors is an integer number (31346770).

Almost surely, 2^450161647 is an apocalyptic number.

450161647 is a deficient number, since it is larger than the sum of its proper divisors (51386673).

450161647 is a wasteful number, since it uses less digits than its factorization.

450161647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6922.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 450161647 is about 21217.0131498286. The cubic root of 450161647 is about 766.4011781651.

The spelling of 450161647 in words is "four hundred fifty million, one hundred sixty-one thousand, six hundred forty-seven".