18116264770 has 8 divisors (see below), whose sum is σ = 32609276604. Its totient is φ = 7246505904.

The previous prime is 18116264731. The next prime is 18116264783. The reversal of 18116264770 is 7746261181.

It can be written as a sum of positive squares in 2 ways, for example, as 17488211049 + 628053721 = 132243^2 + 25061^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 905813229 + ... + 905813248.

Almost surely, 2^18116264770 is an apocalyptic number.

18116264770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18116264770 is a deficient number, since it is larger than the sum of its proper divisors (14493011834).

18116264770 is a wasteful number, since it uses less digits than its factorization.

18116264770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1811626484.

The product of its (nonzero) digits is 112896, while the sum is 43.

The spelling of 18116264770 in words is "eighteen billion, one hundred sixteen million, two hundred sixty-four thousand, seven hundred seventy".