161020570760 has 128 divisors (see below), whose sum is σ = 452551587840. Its totient is φ = 50283417600.

The previous prime is 161020570759. The next prime is 161020570771. The reversal of 161020570760 is 67075020161.

161020570760 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 161020570760.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 398051 + ... + 693170.

It is an arithmetic number, because the mean of its divisors is an integer number (3535559280).

Almost surely, 2^161020570760 is an apocalyptic number.

161020570760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

161020570760 is an abundant number, since it is smaller than the sum of its proper divisors (291531017080).

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

161020570760 is a wasteful number, since it uses less digits than its factorization.

161020570760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1091287 (or 1091283 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 35.

The spelling of 161020570760 in words is "one hundred sixty-one billion, twenty million, five hundred seventy thousand, seven hundred sixty".