1816042746 has 16 divisors (see below), whose sum is σ = 4150954944. Its totient is φ = 518869344.

The previous prime is 1816042733. The next prime is 1816042751. The reversal of 1816042746 is 6472406181.

It is a super-2 number, since 2×1816042746² = 6596022510598441032, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21619515 + ... + 21619598.

It is an arithmetic number, because the mean of its divisors is an integer number (259434684).

Almost surely, 2^1816042746 is an apocalyptic number.

1816042746 is an abundant number, since it is smaller than the sum of its proper divisors (2334912198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1816042746 is a wasteful number, since it uses less digits than its factorization.

1816042746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43239125.

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 1816042746 is about 42615.0530446696. The cubic root of 1816042746 is about 1220.0436126127.

It can be divided in two parts, 18160 and 42746, that added together give a palindrome (60906).

The spelling of 1816042746 in words is "one billion, eight hundred sixteen million, forty-two thousand, seven hundred forty-six".