162131461403 has 4 divisors (see below), whose sum is σ = 162137291568. Its totient is φ = 162125631240.

The previous prime is 162131461361. The next prime is 162131461417. The reversal of 162131461403 is 304164131261.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 304164131261 = 256939 ⋅1183799.

It is a cyclic number.

It is not a de Polignac number, because 162131461403 - 2¹² = 162131457307 is a prime.

It is a super-2 number, since 2×162131461403² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 162131461403.

It is not an unprimeable number, because it can be changed into a prime (162131461423) 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, 2873168 + ... + 2929053.

It is an arithmetic number, because the mean of its divisors is an integer number (40534322892).

Almost surely, 2^162131461403 is an apocalyptic number.

162131461403 is a deficient number, since it is larger than the sum of its proper divisors (5830165).

162131461403 is an equidigital number, since it uses as much as digits as its factorization.

162131461403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5830164.

The product of its (nonzero) digits is 10368, while the sum is 32.

Adding to 162131461403 its reverse (304164131261), we get a palindrome (466295592664).

The spelling of 162131461403 in words is "one hundred sixty-two billion, one hundred thirty-one million, four hundred sixty-one thousand, four hundred three".