18242302546 has 16 divisors (see below), whose sum is σ = 29471254848. Its totient is φ = 8418690000.

The previous prime is 18242302543. The next prime is 18242302549. The reversal of 18242302546 is 64520324281.

It is an interprime number because it is at equal distance from previous prime (18242302543) and next prime (18242302549).

It is not an unprimeable number, because it can be changed into a prime (18242302543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 289891 + ... + 347161.

It is an arithmetic number, because the mean of its divisors is an integer number (1841953428).

Almost surely, 2^18242302546 is an apocalyptic number.

18242302546 is a deficient number, since it is larger than the sum of its proper divisors (11228952302).

18242302546 is a wasteful number, since it uses less digits than its factorization.

18242302546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69537.

The product of its (nonzero) digits is 92160, while the sum is 37.

The spelling of 18242302546 in words is "eighteen billion, two hundred forty-two million, three hundred two thousand, five hundred forty-six".