18150957 has 12 divisors (see below), whose sum is σ = 28601664. Its totient is φ = 11000520.

The previous prime is 18150943. The next prime is 18150971. The reversal of 18150957 is 75905181.

It is an interprime number because it is at equal distance from previous prime (18150943) and next prime (18150971).

It is not a de Polignac number, because 18150957 - 2⁷ = 18150829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18150997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 91573 + ... + 91770.

It is an arithmetic number, because the mean of its divisors is an integer number (2383472).

Almost surely, 2^18150957 is an apocalyptic number.

It is an amenable number.

18150957 is a deficient number, since it is larger than the sum of its proper divisors (10450707).

18150957 is a wasteful number, since it uses less digits than its factorization.

18150957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183360 (or 183357 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 36.

The square root of 18150957 is about 4260.3939958647. The cubic root of 18150957 is about 262.8047291046.

It can be divided in two parts, 18 and 150957, that added together give a triangular number (150975 = T₅₄₉).

The spelling of 18150957 in words is "eighteen million, one hundred fifty thousand, nine hundred fifty-seven".