64266033652 has 6 divisors (see below), whose sum is σ = 112465558898. Its totient is φ = 32133016824.

The previous prime is 64266033641. The next prime is 64266033677. The reversal of 64266033652 is 25633066246.

It can be written as a sum of positive squares in only one way, i.e., 60818464996 + 3447568656 = 246614^2 + 58716^2 .

It is a junction number, because it is equal to n+sod(n) for n = 64266033599 and 64266033608.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8033254203 + ... + 8033254210.

Almost surely, 2^64266033652 is an apocalyptic number.

It is an amenable number.

64266033652 is a deficient number, since it is larger than the sum of its proper divisors (48199525246).

64266033652 is a wasteful number, since it uses less digits than its factorization.

64266033652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16066508417 (or 16066508415 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 43.

Adding to 64266033652 its reverse (25633066246), we get a palindrome (89899099898).

The spelling of 64266033652 in words is "sixty-four billion, two hundred sixty-six million, thirty-three thousand, six hundred fifty-two".