64060140366 has 48 divisors (see below), whose sum is σ = 141074264448. Its totient is φ = 21003958800.

The previous prime is 64060140349. The next prime is 64060140373. The reversal of 64060140366 is 66304106046.

64060140366 is a `hidden beast` number, since 6 + 4 + 0 + 601 + 40 + 3 + 6 + 6 = 666.

64060140366 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×64060140366² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 64060140366.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 794911 + ... + 871781.

It is an arithmetic number, because the mean of its divisors is an integer number (2939047176).

Almost surely, 2^64060140366 is an apocalyptic number.

64060140366 is an abundant number, since it is smaller than the sum of its proper divisors (77014124082).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64060140366 is a wasteful number, since it uses less digits than its factorization.

64060140366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77637 (or 77634 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The spelling of 64060140366 in words is "sixty-four billion, sixty million, one hundred forty thousand, three hundred sixty-six".