64266033651 has 16 divisors (see below), whose sum is σ = 86556143520. Its totient is φ = 42410718720.

The previous prime is 64266033641. The next prime is 64266033677. The reversal of 64266033651 is 15633066246.

It is a happy number.

It is not a de Polignac number, because 64266033651 - 2¹⁰ = 64266032627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64266033641) 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, 254331 + ... + 439563.

It is an arithmetic number, because the mean of its divisors is an integer number (5409758970).

Almost surely, 2^64266033651 is an apocalyptic number.

64266033651 is a deficient number, since it is larger than the sum of its proper divisors (22290109869).

64266033651 is a wasteful number, since it uses less digits than its factorization.

64266033651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186406.

The product of its (nonzero) digits is 466560, while the sum is 42.

Adding to 64266033651 its reverse (15633066246), we get a palindrome (79899099897).

The spelling of 64266033651 in words is "sixty-four billion, two hundred sixty-six million, thirty-three thousand, six hundred fifty-one".