160255021305661 has 8 divisors (see below), whose sum is σ = 160365321900000. Its totient is φ = 160144725237840.

The previous prime is 160255021305647. The next prime is 160255021305713. The reversal of 160255021305661 is 166503120552061.

It is a happy number.

160255021305661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 160255021305661 - 2¹¹ = 160255021303613 is a prime.

It is a super-2 number, since 2×160255021305661² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160255021305161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71293471 + ... + 73506931.

It is an arithmetic number, because the mean of its divisors is an integer number (20045665237500).

Almost surely, 2^{160255021305661} is an apocalyptic number.

It is an amenable number.

160255021305661 is a deficient number, since it is larger than the sum of its proper divisors (110300594339).

160255021305661 is a wasteful number, since it uses less digits than its factorization.

160255021305661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2263259.

The product of its (nonzero) digits is 324000, while the sum is 43.

The spelling of 160255021305661 in words is "one hundred sixty trillion, two hundred fifty-five billion, twenty-one million, three hundred five thousand, six hundred sixty-one".