160931021870 has 16 divisors (see below), whose sum is σ = 289684427328. Its totient is φ = 64370500320.

The previous prime is 160931021831. The next prime is 160931021879. The reversal of 160931021870 is 78120139061.

160931021870 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160931021879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144980 + ... + 585560.

It is an arithmetic number, because the mean of its divisors is an integer number (18105276708).

Almost surely, 2^160931021870 is an apocalyptic number.

160931021870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

160931021870 is a deficient number, since it is larger than the sum of its proper divisors (128753405458).

160931021870 is a wasteful number, since it uses less digits than its factorization.

160931021870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477115.

The product of its (nonzero) digits is 18144, while the sum is 38.

The spelling of 160931021870 in words is "one hundred sixty billion, nine hundred thirty-one million, twenty-one thousand, eight hundred seventy".