1518349806 has 32 divisors (see below), whose sum is σ = 3482956800. Its totient is φ = 489789720.

The previous prime is 1518349801. The next prime is 1518349817. The reversal of 1518349806 is 6089438151.

1518349806 is a `hidden beast` number, since 151 + 8 + 3 + 498 + 0 + 6 = 666.

It is a super-2 number, since 2×1518349806² = 4610772266760475272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1518349801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 451836 + ... + 455183.

It is an arithmetic number, because the mean of its divisors is an integer number (108842400).

Almost surely, 2^1518349806 is an apocalyptic number.

1518349806 is an abundant number, since it is smaller than the sum of its proper divisors (1964606994).

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

1518349806 is a wasteful number, since it uses less digits than its factorization.

1518349806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 907061 (or 907055 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 1518349806 is about 38966.0083406037. The cubic root of 1518349806 is about 1149.3631776019.

The spelling of 1518349806 in words is "one billion, five hundred eighteen million, three hundred forty-nine thousand, eight hundred six".