1662365134 has 4 divisors (see below), whose sum is σ = 2493547704. Its totient is φ = 831182566.

The previous prime is 1662365123. The next prime is 1662365143. The reversal of 1662365134 is 4315632661.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4315632661 = 709 ⋅6086929.

It is a junction number, because it is equal to n+sod(n) for n = 1662365093 and 1662365102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 415591282 + ... + 415591285.

It is an arithmetic number, because the mean of its divisors is an integer number (623386926).

Almost surely, 2^1662365134 is an apocalyptic number.

1662365134 is a deficient number, since it is larger than the sum of its proper divisors (831182570).

1662365134 is an equidigital number, since it uses as much as digits as its factorization.

1662365134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831182569.

The product of its digits is 77760, while the sum is 37.

The square root of 1662365134 is about 40772.1122092050. The cubic root of 1662365134 is about 1184.6102165356.

Adding to 1662365134 its reverse (4315632661), we get a palindrome (5977997795).

It can be divided in two parts, 1662 and 365134, that added together give a triangular number (366796 = T₈₅₆).

The spelling of 1662365134 in words is "one billion, six hundred sixty-two million, three hundred sixty-five thousand, one hundred thirty-four".