160257253121220 has 24 divisors (see below), whose sum is σ = 448720308739584. Its totient is φ = 42735267498976.

The previous prime is 160257253121183. The next prime is 160257253121237. The reversal of 160257253121220 is 22121352752061.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 1335477109284 + ... + 1335477109403.

It is an arithmetic number, because the mean of its divisors is an integer number (18696679530816).

Almost surely, 2^{160257253121220} is an apocalyptic number.

160257253121220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

160257253121220 is an abundant number, since it is smaller than the sum of its proper divisors (288463055618364).

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

160257253121220 is a wasteful number, since it uses less digits than its factorization.

160257253121220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2670954218699 (or 2670954218697 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 39.

The spelling of 160257253121220 in words is "one hundred sixty trillion, two hundred fifty-seven billion, two hundred fifty-three million, one hundred twenty-one thousand, two hundred twenty".