4166660115651 has 32 divisors (see below), whose sum is σ = 6262942245120. Its totient is φ = 2442100752000.

The previous prime is 4166660115623. The next prime is 4166660115707. The reversal of 4166660115651 is 1565110666614.

It is not a de Polignac number, because 4166660115651 - 2¹³ = 4166660107459 is a prime.

It is a super-2 number, since 2×4166660115651² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4166660115651.

It is not an unprimeable number, because it can be changed into a prime (4166660115251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14392996 + ... + 14679633.

It is an arithmetic number, because the mean of its divisors is an integer number (195716945160).

Almost surely, 2^{4166660115651} is an apocalyptic number.

4166660115651 is a deficient number, since it is larger than the sum of its proper divisors (2096282129469).

4166660115651 is a wasteful number, since it uses less digits than its factorization.

4166660115651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29072787.

The product of its (nonzero) digits is 777600, while the sum is 48.

The spelling of 4166660115651 in words is "four trillion, one hundred sixty-six billion, six hundred sixty million, one hundred fifteen thousand, six hundred fifty-one".