864016117666761 has 16 divisors (see below), whose sum is σ = 1153730563332480. Its totient is φ = 575156608540800.

The previous prime is 864016117666711. The next prime is 864016117666799. The reversal of 864016117666761 is 167666711610468.

It is not a de Polignac number, because 864016117666761 - 2⁶ = 864016117666697 is a prime.

It is a super-2 number, since 2×864016117666761² (a number of 31 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 864016117666692 and 864016117666701.

It is not an unprimeable number, because it can be changed into a prime (864016117666711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41355090 + ... + 58636811.

It is an arithmetic number, because the mean of its divisors is an integer number (72108160208280).

Almost surely, 2^{864016117666761} is an apocalyptic number.

It is an amenable number.

864016117666761 is a deficient number, since it is larger than the sum of its proper divisors (289714445665719).

864016117666761 is a wasteful number, since it uses less digits than its factorization.

864016117666761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99996176.

The product of its (nonzero) digits is 73156608, while the sum is 66.

The spelling of 864016117666761 in words is "eight hundred sixty-four trillion, sixteen billion, one hundred seventeen million, six hundred sixty-six thousand, seven hundred sixty-one".