1830516156 has 36 divisors (see below), whose sum is σ = 5288158512. Its totient is φ = 523004544.

The previous prime is 1830516137. The next prime is 1830516161. The reversal of 1830516156 is 6516150381.

1830516156 is a `hidden beast` number, since 1 + 8 + 30 + 5 + 1 + 615 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1830516156.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 3631725 + ... + 3632228.

It is an arithmetic number, because the mean of its divisors is an integer number (146893292).

Almost surely, 2^1830516156 is an apocalyptic number.

It is an amenable number.

1830516156 is an abundant number, since it is smaller than the sum of its proper divisors (3457642356).

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

1830516156 is a wasteful number, since it uses less digits than its factorization.

1830516156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7263970 (or 7263965 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 1830516156 is about 42784.5317375334. The cubic root of 1830516156 is about 1223.2761884244.

The spelling of 1830516156 in words is "one billion, eight hundred thirty million, five hundred sixteen thousand, one hundred fifty-six".