161266070260 has 24 divisors (see below), whose sum is σ = 338667234696. Its totient is φ = 64504811520.

The previous prime is 161266070249. The next prime is 161266070263. The reversal of 161266070260 is 62070662161.

It is a happy number.

161266070260 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2612027664 + 158654042596 = 51108^2 + 398314^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161266070263) 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 7 ways as a sum of consecutive naturals, for example, 1020744 + ... + 1168096.

It is an arithmetic number, because the mean of its divisors is an integer number (14111134779).

Almost surely, 2^161266070260 is an apocalyptic number.

161266070260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

161266070260 is an abundant number, since it is smaller than the sum of its proper divisors (177401164436).

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

161266070260 is a wasteful number, since it uses less digits than its factorization.

161266070260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202083 (or 202081 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

The spelling of 161266070260 in words is "one hundred sixty-one billion, two hundred sixty-six million, seventy thousand, two hundred sixty".