26166315042 has 24 divisors (see below), whose sum is σ = 64792780416. Its totient is φ = 7476089976.

The previous prime is 26166315037. The next prime is 26166315047. The reversal of 26166315042 is 24051366162.

26166315042 is a `hidden beast` number, since 2 + 6 + 16 + 631 + 5 + 0 + 4 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (26166315037) and next prime (26166315047).

It is a junction number, because it is equal to n+sod(n) for n = 26166314988 and 26166315006.

It is not an unprimeable number, because it can be changed into a prime (26166315047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 103834458 + ... + 103834709.

It is an arithmetic number, because the mean of its divisors is an integer number (2699699184).

Almost surely, 2^26166315042 is an apocalyptic number.

26166315042 is an abundant number, since it is smaller than the sum of its proper divisors (38626465374).

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

26166315042 is a wasteful number, since it uses less digits than its factorization.

26166315042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207669182 (or 207669179 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 26166315042 in words is "twenty-six billion, one hundred sixty-six million, three hundred fifteen thousand, forty-two".