1806490016 has 24 divisors (see below), whose sum is σ = 3557875104. Its totient is φ = 902902720.

The previous prime is 1806490003. The next prime is 1806490061. The reversal of 1806490016 is 6100946081.

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, 89501 + ... + 107811.

It is an arithmetic number, because the mean of its divisors is an integer number (148244796).

Almost surely, 2^1806490016 is an apocalyptic number.

1806490016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1806490016 is a deficient number, since it is larger than the sum of its proper divisors (1751385088).

1806490016 is a wasteful number, since it uses less digits than its factorization.

1806490016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21404 (or 21396 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 1806490016 is about 42502.8236238488. The cubic root of 1806490016 is about 1217.9006302831.

The spelling of 1806490016 in words is "one billion, eight hundred six million, four hundred ninety thousand, sixteen".