167946717642 has 48 divisors (see below), whose sum is σ = 369675568416. Its totient is φ = 50828104800.

The previous prime is 167946717637. The next prime is 167946717647. The reversal of 167946717642 is 246717649761.

167946717642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (167946717637) and next prime (167946717647).

It is not an unprimeable number, because it can be changed into a prime (167946717647) 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 23 ways as a sum of consecutive naturals, for example, 424392 + ... + 718332.

It is an arithmetic number, because the mean of its divisors is an integer number (7701574342).

Almost surely, 2^167946717642 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 167946717642, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184837784208).

167946717642 is an abundant number, since it is smaller than the sum of its proper divisors (201728850774).

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

167946717642 is a wasteful number, since it uses less digits than its factorization.

167946717642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294755 (or 294744 counting only the distinct ones).

The product of its digits is 21337344, while the sum is 60.

It can be divided in two parts, 167946 and 717642, that added together give a palindrome (885588).

The spelling of 167946717642 in words is "one hundred sixty-seven billion, nine hundred forty-six million, seven hundred seventeen thousand, six hundred forty-two".