166167132532633 has 4 divisors (see below), whose sum is σ = 166194657324580. Its totient is φ = 166139607740688.

The previous prime is 166167132532601. The next prime is 166167132532657. The reversal of 166167132532633 is 336235231761661.

166167132532633 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 50595451850304 + 115571680682329 = 7113048^2 + 10750427^2 .

It is a cyclic number.

It is not a de Polignac number, because 166167132532633 - 2⁵ = 166167132532601 is a prime.

It is a super-2 number, since 2×166167132532633² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (166167132532663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13762386918 + ... + 13762398991.

It is an arithmetic number, because the mean of its divisors is an integer number (41548664331145).

Almost surely, 2^{166167132532633} is an apocalyptic number.

It is an amenable number.

166167132532633 is a deficient number, since it is larger than the sum of its proper divisors (27524791947).

166167132532633 is an equidigital number, since it uses as much as digits as its factorization.

166167132532633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27524791946.

The product of its digits is 14696640, while the sum is 55.

The spelling of 166167132532633 in words is "one hundred sixty-six trillion, one hundred sixty-seven billion, one hundred thirty-two million, five hundred thirty-two thousand, six hundred thirty-three".