1816266802 has 16 divisors (see below), whose sum is σ = 3125721600. Its totient is φ = 775369728.

The previous prime is 1816266787. The next prime is 1816266817. The reversal of 1816266802 is 2086626181.

It is an interprime number because it is at equal distance from previous prime (1816266787) and next prime (1816266817).

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, 248802 + ... + 255997.

It is an arithmetic number, because the mean of its divisors is an integer number (195357600).

Almost surely, 2^1816266802 is an apocalyptic number.

1816266802 is a deficient number, since it is larger than the sum of its proper divisors (1309454798).

1816266802 is a wasteful number, since it uses less digits than its factorization.

1816266802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505065.

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 1816266802 is about 42617.6817999290. The cubic root of 1816266802 is about 1220.0937852296.

The spelling of 1816266802 in words is "one billion, eight hundred sixteen million, two hundred sixty-six thousand, eight hundred two".