37545564163 has 4 divisors (see below), whose sum is σ = 38253971088. Its totient is φ = 36837157240.

The previous prime is 37545564157. The next prime is 37545564187. The reversal of 37545564163 is 36146554573.

37545564163 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36146554573 = 263 ⋅137439371.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-37545564163 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (37545564103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 354203383 + ... + 354203488.

It is an arithmetic number, because the mean of its divisors is an integer number (9563492772).

Almost surely, 2^37545564163 is an apocalyptic number.

37545564163 is a deficient number, since it is larger than the sum of its proper divisors (708406925).

37545564163 is an equidigital number, since it uses as much as digits as its factorization.

37545564163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708406924.

The product of its digits is 4536000, while the sum is 49.

The spelling of 37545564163 in words is "thirty-seven billion, five hundred forty-five million, five hundred sixty-four thousand, one hundred sixty-three".