160955497787477 has 8 divisors (see below), whose sum is σ = 161423035011000. Its totient is φ = 160487996831424.

The previous prime is 160955497787453. The next prime is 160955497787509. The reversal of 160955497787477 is 774787794559061.

It can be written as a sum of positive squares in 4 ways, for example, as 77427486905521 + 83528010881956 = 8799289^2 + 9139366^2 .

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 160955497787477 - 2²⁰ = 160955496738901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160955497787177) 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, 165278 + ... + 17942639.

It is an arithmetic number, because the mean of its divisors is an integer number (20177879376375).

Almost surely, 2^{160955497787477} is an apocalyptic number.

It is an amenable number.

160955497787477 is a deficient number, since it is larger than the sum of its proper divisors (467537223523).

160955497787477 is a wasteful number, since it uses less digits than its factorization.

160955497787477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18133735.

The product of its (nonzero) digits is 26138246400, while the sum is 86.

The spelling of 160955497787477 in words is "one hundred sixty trillion, nine hundred fifty-five billion, four hundred ninety-seven million, seven hundred eighty-seven thousand, four hundred seventy-seven".