160331428538 has 4 divisors (see below), whose sum is σ = 240497142810. Its totient is φ = 80165714268.

The previous prime is 160331428519. The next prime is 160331428549. The reversal of 160331428538 is 835824133061.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 835824133061 = 4649 ⋅179785789.

It can be written as a sum of positive squares in only one way, i.e., 122348147089 + 37983281449 = 349783^2 + 194893^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40082857133 + ... + 40082857136.

Almost surely, 2^160331428538 is an apocalyptic number.

160331428538 is a deficient number, since it is larger than the sum of its proper divisors (80165714272).

160331428538 is an equidigital number, since it uses as much as digits as its factorization.

160331428538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80165714271.

The product of its (nonzero) digits is 414720, while the sum is 44.

The spelling of 160331428538 in words is "one hundred sixty billion, three hundred thirty-one million, four hundred twenty-eight thousand, five hundred thirty-eight".