636056066 has 8 divisors (see below), whose sum is σ = 954514704. Its totient is φ = 317884500.

The previous prime is 636056023. The next prime is 636056107. The reversal of 636056066 is 660650636.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66140 + ... + 75143.

It is an arithmetic number, because the mean of its divisors is an integer number (119314338).

Almost surely, 2^636056066 is an apocalyptic number.

636056066 is a deficient number, since it is larger than the sum of its proper divisors (318458638).

636056066 is a wasteful number, since it uses less digits than its factorization.

636056066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143536.

The product of its (nonzero) digits is 116640, while the sum is 38.

The square root of 636056066 is about 25220.1519820956. The cubic root of 636056066 is about 860.0000297458. Note that the first 4 decimals are identical.

It can be divided in two parts, 6360 and 56066, that added together give a palindrome (62426).

The spelling of 636056066 in words is "six hundred thirty-six million, fifty-six thousand, sixty-six".