4664140661715 has 32 divisors (see below), whose sum is σ = 7902018006336. Its totient is φ = 2341092741120.

The previous prime is 4664140661711. The next prime is 4664140661737. The reversal of 4664140661715 is 5171660414664.

It is not a de Polignac number, because 4664140661715 - 2² = 4664140661711 is a prime.

It is a super-2 number, since 2×4664140661715² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (4664140661711) by changing a digit.

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 in 31 ways as a sum of consecutive naturals, for example, 4484805 + ... + 5426025.

It is an arithmetic number, because the mean of its divisors is an integer number (246938062698).

Almost surely, 2^{4664140661715} is an apocalyptic number.

4664140661715 is a deficient number, since it is larger than the sum of its proper divisors (3237877344621).

4664140661715 is a wasteful number, since it uses less digits than its factorization.

4664140661715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 960679.

The product of its (nonzero) digits is 2903040, while the sum is 51.

The spelling of 4664140661715 in words is "four trillion, six hundred sixty-four billion, one hundred forty million, six hundred sixty-one thousand, seven hundred fifteen".