42640614166 has 8 divisors (see below), whose sum is σ = 65045004840. Its totient is φ = 20958945888.

The previous prime is 42640614113. The next prime is 42640614167. The reversal of 42640614166 is 66141604624.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×42640614166³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42640614167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180680451 + ... + 180680686.

It is an arithmetic number, because the mean of its divisors is an integer number (8130625605).

Almost surely, 2^42640614166 is an apocalyptic number.

42640614166 is a deficient number, since it is larger than the sum of its proper divisors (22404390674).

42640614166 is a wasteful number, since it uses less digits than its factorization.

42640614166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361361198.

The product of its (nonzero) digits is 165888, while the sum is 40.

The spelling of 42640614166 in words is "forty-two billion, six hundred forty million, six hundred fourteen thousand, one hundred sixty-six".