1656340231162 has 4 divisors (see below), whose sum is σ = 2484510346746. Its totient is φ = 828170115580.

The previous prime is 1656340231121. The next prime is 1656340231213. The reversal of 1656340231162 is 2611320436561.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1612445372041 + 43894859121 = 1269821^2 + 209511^2 .

It is a super-2 number, since 2×1656340231162² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 414085057789 + ... + 414085057792.

Almost surely, 2^{1656340231162} is an apocalyptic number.

1656340231162 is a deficient number, since it is larger than the sum of its proper divisors (828170115584).

1656340231162 is an equidigital number, since it uses as much as digits as its factorization.

1656340231162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828170115583.

The product of its (nonzero) digits is 155520, while the sum is 40.

The spelling of 1656340231162 in words is "one trillion, six hundred fifty-six billion, three hundred forty million, two hundred thirty-one thousand, one hundred sixty-two".