18157048722416 has 20 divisors (see below), whose sum is σ = 35179601929824. Its totient is φ = 9078441772800.

The previous prime is 18157048722389. The next prime is 18157048722433. The reversal of 18157048722416 is 61422784075181.

It is a congruent number.

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, 3328280 + ... + 6884151.

Almost surely, 2^{18157048722416} is an apocalyptic number.

18157048722416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

18157048722416 is a deficient number, since it is larger than the sum of its proper divisors (17022553207408).

18157048722416 is a wasteful number, since it uses less digits than its factorization.

18157048722416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10323560 (or 10323554 counting only the distinct ones).

The product of its (nonzero) digits is 6021120, while the sum is 56.

The spelling of 18157048722416 in words is "eighteen trillion, one hundred fifty-seven billion, forty-eight million, seven hundred twenty-two thousand, four hundred sixteen".