160947445459880 has 64 divisors (see below), whose sum is σ = 369018394390800. Its totient is φ = 63155041597440.

The previous prime is 160947445459841. The next prime is 160947445459921. The reversal of 160947445459880 is 88954544749061.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 133774808003236 + 27172637456644 = 11566106^2 + 5212738^2 .

It is a super-2 number, since 2×160947445459880² (a number of 29 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (74) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 160947445459798 and 160947445459807.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8954126 + ... + 20051714.

Almost surely, 2^{160947445459880} is an apocalyptic number.

160947445459880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

160947445459880 is an abundant number, since it is smaller than the sum of its proper divisors (208070948930920).

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

160947445459880 is a wasteful number, since it uses less digits than its factorization.

160947445459880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11104494 (or 11104490 counting only the distinct ones).

The product of its (nonzero) digits is 1393459200, while the sum is 74.

The spelling of 160947445459880 in words is "one hundred sixty trillion, nine hundred forty-seven billion, four hundred forty-five million, four hundred fifty-nine thousand, eight hundred eighty".