160451813 has 4 divisors (see below), whose sum is σ = 161676768. Its totient is φ = 159226860.

The previous prime is 160451807. The next prime is 160451839. The reversal of 160451813 is 318154061.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 160451813 - 2¹⁰ = 160450789 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 (160451803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 612281 + ... + 612542.

It is an arithmetic number, because the mean of its divisors is an integer number (40419192).

Almost surely, 2^160451813 is an apocalyptic number.

It is an amenable number.

160451813 is a deficient number, since it is larger than the sum of its proper divisors (1224955).

160451813 is a wasteful number, since it uses less digits than its factorization.

160451813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1224954.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 160451813 is about 12666.9575273623. The cubic root of 160451813 is about 543.3940468954.

The spelling of 160451813 in words is "one hundred sixty million, four hundred fifty-one thousand, eight hundred thirteen".