167665261126356 has 36 divisors (see below), whose sum is σ = 484366309921312. Its totient is φ = 47904360321744.

The previous prime is 167665261126273. The next prime is 167665261126373. The reversal of 167665261126356 is 653621162566761.

167665261126356 is a `hidden beast` number, since 1 + 6 + 7 + 6 + 6 + 5 + 2 + 611 + 2 + 6 + 3 + 5 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×167665261126356² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 167665261126293 and 167665261126302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 332669168650 + ... + 332669169153.

Almost surely, 2^{167665261126356} is an apocalyptic number.

It is an amenable number.

167665261126356 is an abundant number, since it is smaller than the sum of its proper divisors (316701048794956).

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

167665261126356 is a wasteful number, since it uses less digits than its factorization.

167665261126356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665338337820 (or 665338337815 counting only the distinct ones).

The product of its digits is 97977600, while the sum is 63.

The spelling of 167665261126356 in words is "one hundred sixty-seven trillion, six hundred sixty-five billion, two hundred sixty-one million, one hundred twenty-six thousand, three hundred fifty-six".