649167055 has 16 divisors (see below), whose sum is σ = 810601344. Its totient is φ = 498684160.

The previous prime is 649167041. The next prime is 649167089. The reversal of 649167055 is 550761946.

It is not a de Polignac number, because 649167055 - 2¹⁷ = 649035983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13606 + ... + 38515.

It is an arithmetic number, because the mean of its divisors is an integer number (50662584).

Almost surely, 2^649167055 is an apocalyptic number.

649167055 is a deficient number, since it is larger than the sum of its proper divisors (161434289).

649167055 is a wasteful number, since it uses less digits than its factorization.

649167055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52226.

The product of its (nonzero) digits is 226800, while the sum is 43.

The square root of 649167055 is about 25478.7569359261. The cubic root of 649167055 is about 865.8689320314.

The spelling of 649167055 in words is "six hundred forty-nine million, one hundred sixty-seven thousand, fifty-five".