667028465 has 16 divisors (see below), whose sum is σ = 820495872. Its totient is φ = 520332864.

The previous prime is 667028441. The next prime is 667028501. The reversal of 667028465 is 564820766.

667028465 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 667028465 - 2¹⁰ = 667027441 is a prime.

It is a super-3 number, since 3×667028465³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian 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, 59972 + ... + 70218.

It is an arithmetic number, because the mean of its divisors is an integer number (51280992).

Almost surely, 2^667028465 is an apocalyptic number.

It is an amenable number.

667028465 is a deficient number, since it is larger than the sum of its proper divisors (153467407).

667028465 is a wasteful number, since it uses less digits than its factorization.

667028465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10576.

The product of its (nonzero) digits is 483840, while the sum is 44.

The square root of 667028465 is about 25826.8942190113. The cubic root of 667028465 is about 873.7384661355.

The spelling of 667028465 in words is "six hundred sixty-seven million, twenty-eight thousand, four hundred sixty-five".