162461431378 has 16 divisors (see below), whose sum is σ = 248322248856. Its totient is φ = 79687745280.

The previous prime is 162461431357. The next prime is 162461431381. The reversal of 162461431378 is 873134164261.

It can be written as a sum of positive squares in 4 ways, for example, as 154372767409 + 8088663969 = 392903^2 + 89937^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 758458 + ... + 948778.

Almost surely, 2^162461431378 is an apocalyptic number.

162461431378 is a deficient number, since it is larger than the sum of its proper divisors (85860817478).

162461431378 is a wasteful number, since it uses less digits than its factorization.

162461431378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198429.

The product of its digits is 580608, while the sum is 46.

The spelling of 162461431378 in words is "one hundred sixty-two billion, four hundred sixty-one million, four hundred thirty-one thousand, three hundred seventy-eight".