18737475632057 has 16 divisors (see below), whose sum is σ = 24275272076160. Its totient is φ = 14044978841472.

The previous prime is 18737475632039. The next prime is 18737475632077. The reversal of 18737475632057 is 75023657473781.

It is a cyclic number.

It is not a de Polignac number, because 18737475632057 - 2²² = 18737471437753 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18737475631984 and 18737475632002.

It is not an unprimeable number, because it can be changed into a prime (18737475632027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5418585788 + ... + 5418589245.

It is an arithmetic number, because the mean of its divisors is an integer number (1517204504760).

Almost surely, 2^{18737475632057} is an apocalyptic number.

It is an amenable number.

18737475632057 is a deficient number, since it is larger than the sum of its proper divisors (5537796444103).

18737475632057 is a wasteful number, since it uses less digits than its factorization.

18737475632057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10837175072.

The product of its (nonzero) digits is 207446400, while the sum is 65.

The spelling of 18737475632057 in words is "eighteen trillion, seven hundred thirty-seven billion, four hundred seventy-five million, six hundred thirty-two thousand, fifty-seven".