18161034 has 8 divisors (see below), whose sum is σ = 36322080. Its totient is φ = 6053676.

The previous prime is 18161029. The next prime is 18161041. The reversal of 18161034 is 43016181.

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

18161034 is an admirable number.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 18160995 and 18161013.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1513414 + ... + 1513425.

It is an arithmetic number, because the mean of its divisors is an integer number (4540260).

Almost surely, 2^18161034 is an apocalyptic number.

18161034 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

18161034 is a wasteful number, since it uses less digits than its factorization.

18161034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3026844.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 18161034 is about 4261.5764688669. The cubic root of 18161034 is about 262.8533545171.

It can be divided in two parts, 1816 and 1034, that added together give a triangular number (2850 = T₇₅).

The spelling of 18161034 in words is "eighteen million, one hundred sixty-one thousand, thirty-four".