64633101272 has 16 divisors (see below), whose sum is σ = 121198459200. Its totient is φ = 32313512160.

The previous prime is 64633101259. The next prime is 64633101367. The reversal of 64633101272 is 27210133646.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 288104 + ... + 460727.

It is an arithmetic number, because the mean of its divisors is an integer number (7574903700).

Almost surely, 2^64633101272 is an apocalyptic number.

It is an amenable number.

64633101272 is a deficient number, since it is larger than the sum of its proper divisors (56565357928).

64633101272 is a wasteful number, since it uses less digits than its factorization.

64633101272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 759626 (or 759622 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 35.

It can be divided in two parts, 64 and 633101272, that added together give a palindrome (633101336).

The spelling of 64633101272 in words is "sixty-four billion, six hundred thirty-three million, one hundred one thousand, two hundred seventy-two".