64662063 has 16 divisors (see below), whose sum is σ = 90080256. Its totient is φ = 41209920.

The previous prime is 64662007. The next prime is 64662077. The reversal of 64662063 is 36026646.

It is not a de Polignac number, because 64662063 - 2¹⁶ = 64596527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64662163) 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, 3531 + ... + 11907.

It is an arithmetic number, because the mean of its divisors is an integer number (5630016).

Almost surely, 2^64662063 is an apocalyptic number.

64662063 is a deficient number, since it is larger than the sum of its proper divisors (25418193).

64662063 is a wasteful number, since it uses less digits than its factorization.

64662063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8494.

The product of its (nonzero) digits is 31104, while the sum is 33.

The square root of 64662063 is about 8041.2724739310. The cubic root of 64662063 is about 401.3745689067.

The spelling of 64662063 in words is "sixty-four million, six hundred sixty-two thousand, sixty-three".