161167766001 has 16 divisors (see below), whose sum is σ = 234932183040. Its totient is φ = 97466458320.

The previous prime is 161167765951. The next prime is 161167766029. The reversal of 161167766001 is 100667761161.

161167766001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 161167766001 - 2²¹ = 161165668849 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (161167766801) 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 15 ways as a sum of consecutive naturals, for example, 5258881 + ... + 5289438.

It is an arithmetic number, because the mean of its divisors is an integer number (14683261440).

Almost surely, 2^161167766001 is an apocalyptic number.

161167766001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

161167766001 is a deficient number, since it is larger than the sum of its proper divisors (73764417039).

161167766001 is a wasteful number, since it uses less digits than its factorization.

161167766001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10548796.

The product of its (nonzero) digits is 63504, while the sum is 42.

The spelling of 161167766001 in words is "one hundred sixty-one billion, one hundred sixty-seven million, seven hundred sixty-six thousand, one".